{"id":444,"date":"2025-08-07T23:58:12","date_gmt":"2025-08-07T22:58:12","guid":{"rendered":"https:\/\/stwpoison.uk\/?page_id=444"},"modified":"2026-03-11T11:01:53","modified_gmt":"2026-03-11T11:01:53","slug":"chemistry-corner","status":"publish","type":"page","link":"https:\/\/stwpoison.uk\/","title":{"rendered":"Chemistry corner"},"content":{"rendered":"\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" data-id=\"605\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-chokniti-khongchum-1197604-2280571.jpg\" alt=\"\" class=\"wp-image-605\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-chokniti-khongchum-1197604-2280571.jpg 1024w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-chokniti-khongchum-1197604-2280571-300x200.jpg 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-chokniti-khongchum-1197604-2280571-768x513.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"329\" height=\"384\" data-id=\"726\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Screenshot_2025-12-10_22-46-42.jpg\" alt=\"\" class=\"wp-image-726\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Screenshot_2025-12-10_22-46-42.jpg 329w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Screenshot_2025-12-10_22-46-42-257x300.jpg 257w\" sizes=\"auto, (max-width: 329px) 100vw, 329px\" \/><\/figure>\n<\/figure>\n\n\n\n<p><br>What is this all about this fluoride (F\u2082), fluorine (F\u207b), hydrofluoric acid (HF), hydrogen fluoride (HF), hexafluorosilicic acid (H\u2082SiF\u2086), silicon tetrafluoride (SiF\u2084), Silicic acid (H\u2084SiO\u2084)?<br>It is super confusing. I don&#8217;t get it.<br><br>We understand, in that case read the following.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluoride.png\" alt=\"\" class=\"wp-image-686\" style=\"width:239px;height:auto\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluoride.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluoride-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluoride-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<p><br><strong>Fluorine (F\u2082):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>What it is:<\/strong> A chemical element and diatomic gas<\/li>\n\n\n\n<li><strong>Chemical form:<\/strong> F\u2082 (two fluorine atoms bonded together)<\/li>\n\n\n\n<li><strong>Properties:<\/strong> Extremely reactive, toxic gas that&#8217;s pale yellow-green<\/li>\n\n\n\n<li><strong>Reactivity:<\/strong> <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">The most electronegative and reactive of all 118 elements<\/mark><\/strong><\/li>\n\n\n\n<li><strong>Natural occurrence:<\/strong> Very rare in its elemental form because it&#8217;s so reactive<\/li>\n\n\n\n<li><strong>Safety:<\/strong> <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Highly dangerous &#8211; can cause severe burns and is toxic to inhale<\/mark><\/strong><br><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluorine.png\" alt=\"\" class=\"wp-image-685\" style=\"width:240px;height:auto\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluorine.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluorine-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluorine-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<p><br><strong>Fluoride (F\u207b):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>What it is:<\/strong> The ionic form of fluorine (fluorine atom with an extra electron)<\/li>\n\n\n\n<li><strong>Chemical form:<\/strong> F\u207b (single fluorine atom with a negative charge)<\/li>\n\n\n\n<li><strong>Properties:<\/strong> Much more stable than elemental fluorine<\/li>\n\n\n\n<li><strong>Reactivity:<\/strong> Relatively stable when bonded with other elements<\/li>\n\n\n\n<li><strong>Common compounds:<\/strong> Sodium fluoride (NaF), calcium fluoride (CaF\u2082), hydrogen fluoride (HF)<\/li>\n\n\n\n<li><strong>Occurrence:<\/strong> <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Common in minerals, toothpaste and water treatment<\/mark><\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>Key Differences:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Stability:<\/strong> Fluorine gas is extremely unstable and reactive; fluoride ions are stable<\/li>\n\n\n\n<li><strong>Toxicity:<\/strong> <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong>Elemental fluorine is highly toxic; fluoride compounds have varying toxicity levels<\/strong><\/mark><\/li>\n\n\n\n<li><strong>Usage:<\/strong> Water companies do not use elemental fluorine in water treatment &#8211; only fluoride compounds<\/li>\n\n\n\n<li><strong>Natural form:<\/strong> In nature, fluorine almost always exists as fluoride compounds, not as elemental fluorine<\/li>\n<\/ol>\n\n\n\n<p><strong>In the context of water fluoridation:<\/strong> All the compounds (H\u2082SiF\u2086, HF, etc.) contain fluoride ions, not elemental fluorine. The &#8220;fluoridation&#8221; process adds fluoride compounds to water, never elemental fluorine gas.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>What is the difference between hydrofluoric acid and hydrogen fluoride?<\/strong><\/p>\n\n\n\n<p><strong>The short answer:<\/strong> Hydrofluoric acid (HF) and hydrogen fluoride (HF) are essentially the same chemical compound (HF), but the names refer to different states or contexts.<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride.png\" alt=\"\" class=\"wp-image-688\" style=\"width:252px;height:auto\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<p><br><strong>Hydrogen Fluoride (HF):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pure compound:<\/strong> The chemical compound itself, formula HF<\/li>\n\n\n\n<li><strong>Can exist as:<\/strong> Gas, liquid, or dissolved in water <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">(basically a poison in two states)<\/mark><\/strong><\/li>\n\n\n\n<li><strong>When gaseous:<\/strong> Called &#8220;<strong>hydrogen fluoride gas<\/strong>&#8221; or &#8220;anhydrous hydrogen fluoride&#8221;<\/li>\n\n\n\n<li><strong>Industrial form:<\/strong> Often refers to the pure, anhydrous (water-free) form<\/li>\n\n\n\n<li><strong>For example:<\/strong> <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">when you take a bath your skin absorbs HF from fluoridated water and at the same time you inhale HF from the steam (from a bath or a shower)<\/mark><\/strong><br><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" data-id=\"1039\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower-683x1024.jpg\" alt=\"\" class=\"wp-image-1039\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower-683x1024.jpg 683w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower-200x300.jpg 200w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower-768x1152.jpg 768w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower-1024x1536.jpg 1024w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower-1365x2048.jpg 1365w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower-scaled.jpg 1707w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"575\" data-id=\"1041\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower2.webp\" alt=\"\" class=\"wp-image-1041\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower2.webp 800w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower2-300x216.webp 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/shower2-768x552.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"900\" data-id=\"1040\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/bath.webp\" alt=\"\" class=\"wp-image-1040\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/bath.webp 600w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2026\/01\/bath-200x300.webp 200w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/figure>\n\n\n\n<p><br>When bathing make sure you open the bathroom window to reduce the concentration of the poisonous gas.<br>The science says the dead skin cells create a barrier which does not allow poisonous HF to enter the body through skin but what about the airways and genitals? These are internal living tissues not covered in a layer of dead skin cells.<br><br><strong>Hydrofluoric Acid (HF):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Aqueous solution:<\/strong> Specifically refers to HF dissolved in water<\/li>\n\n\n\n<li><strong>Context:<\/strong> The &#8220;acid&#8221; name emphasises its behaviour as an acid in solution<\/li>\n\n\n\n<li><strong>Common usage:<\/strong> What you&#8217;d typically encounter in laboratory or industrial applications<\/li>\n\n\n\n<li><strong>Concentration varies:<\/strong> Can be diluted or concentrated aqueous solutions<\/li>\n<\/ul>\n\n\n\n<p><strong>Key Points:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Same chemical formula:<\/strong> Both are HF<\/li>\n\n\n\n<li><strong>Same molecular structure:<\/strong> One hydrogen atom bonded to one fluorine atom<\/li>\n\n\n\n<li><strong>Same toxicity concerns:<\/strong> <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Both forms are extremely dangerous<\/mark><\/strong><\/li>\n\n\n\n<li><strong>Naming convention:<\/strong> &#8220;Hydrogen fluoride&#8221; emphasises the compound itself; &#8220;hydrofluoric acid&#8221; emphasises its acidic behaviour in water<\/li>\n<\/ol>\n\n\n\n<p><strong>In the context of water fluoridation:<\/strong> When we discuss HF being prohibited under UK law or potentially forming from hexafluorosilicic acid, we&#8217;re talking about the same chemical entity (HF) regardless of whether it&#8217;s called &#8220;hydrogen fluoride&#8221; or &#8220;hydrofluoric acid.&#8221;<\/p>\n\n\n\n<p>The legal prohibitions would apply to HF in any form &#8211; whether as the gas, pure liquid, or in aqueous solution.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"690\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HexafluorosilicicAcid-1.png\" alt=\"\" class=\"wp-image-690\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HexafluorosilicicAcid-1.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HexafluorosilicicAcid-1-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HexafluorosilicicAcid-1-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><strong>Hexafluorosilicic acid<\/strong><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"691\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride-1.png\" alt=\"\" class=\"wp-image-691\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride-1.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride-1-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride-1-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><strong>Hydrogen Fluoride<\/strong> \/ <strong>Hydrofluoric acid<\/strong><\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p><br><strong>Now what is the difference between Hexafluorosilicic acid (H\u2082SiF\u2086) and Hydrofluoric acid (HF)?<\/strong><br>So let&#8217;s get into the meat of the whole legal shenanigans.<\/p>\n\n\n\n<p>A legal conflict exists:<br>1. <strong>Hexafluorosilicic acid (H\u2082SiF\u2086)<\/strong> is permitted for water fluoridation according to the <strong>Water Industry Act 1991 Provision 87C<\/strong> <a href=\"https:\/\/www.legislation.gov.uk\/ukpga\/1991\/56\/section\/87C\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.legislation.gov.uk\/ukpga\/1991\/56\/section\/87C<\/a><br>while<br>2. <strong>Hydrofluoric acid (HF)<\/strong> is considered a reportable poison according to <strong>Schedule 21 of the Deregulation Act 2015<\/strong> <a href=\"https:\/\/www.legislation.gov.uk\/ukpga\/2015\/20\/schedule\/21\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.legislation.gov.uk\/ukpga\/2015\/20\/schedule\/21<\/a><br><br>You may ask why is that this toxic poison HF is mentioned in some Deregulation Act? <br>It looks like it was in someone&#8217;s interest to obscure it so it is not in plain sight. <br>It use to be part of <a href=\"https:\/\/www.legislation.gov.uk\/ukpga\/1972\/66\" data-type=\"link\" data-id=\"https:\/\/www.legislation.gov.uk\/ukpga\/1972\/66\" target=\"_blank\" rel=\"noreferrer noopener\">the Poisons Act 1972<\/a>.<br><br>The trouble is Hexafluorosilicic acid (H\u2082SiF\u2086) already contains Hydrofluoric acid (HF) in free form but this is not the end of the story so fasten your seat belts.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.iec-equipment.com\/Uploads\/download\/649cea02c5058.pdf\" data-type=\"link\" data-id=\"https:\/\/www.iec-equipment.com\/Uploads\/download\/649cea02c5058.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">The BSEN 12175 document<\/a> lists HF as being a contaminant in H\u2082SiF\u2086. <br>Max. 1.5% of the 6.3 mg of H\u2082SiF\u2086 is HF. If 1mg of fluoride is the target of the rogue water companies, there being no background fluoride in the treated water, then the max HF that can be added is 0.0945 mg\/litre. 6.3mg because H\u2082SiF\u2086 is a 20% solution of fluoride = 5mg H\u2082SiF\u2086 + 1.3 mg because of the composition of the rest of the acid.<\/p>\n\n\n\n<p><strong>Calculation breakdown:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Target fluoride dose: 1 mg\/L<\/li>\n\n\n\n<li>Required H\u2082SiF\u2086: 6.3 mg\/L (to achieve 1 mg\/L fluoride)<\/li>\n\n\n\n<li>Maximum HF contamination allowed in H\u2082SiF\u2086: 1.5% according to BSEN 12175<\/li>\n\n\n\n<li>Resulting HF in water: 1.5% \u00d7 6.3 mg\/L = <strong>0.0945 mg\/L HF<\/strong><\/li>\n<\/ul>\n\n\n\n<p>This creates a regulatory problem because:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>HF is prohibited<\/strong> under the Deregulation Act 2015, Schedule 21 as a reportable poison<\/li>\n\n\n\n<li><strong>H\u2082SiF\u2086 is approved<\/strong> for water fluoridation under Section 87 of the Water Industry Act 1991<\/li>\n\n\n\n<li><strong>But the approved compound contains<\/strong> up to 0.0945 mg\/L of the prohibited substance<\/li>\n<\/ol>\n\n\n\n<p><br><strong>How it all works?<\/strong><br>Once STW pours the Hexafluorosilicic acid (H\u2082SiF\u2086) into the water you are about to drink or about to bathe in the acid undergoes hydrolysis reaction with water (H\u2082O) and breaks into silicon tetrafluoride (SiF\u2084), Silicic acid (H\u2084SiO\u2084) and a lot more <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Hydrofluoric acid (HF)<\/mark><\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"692\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SilicicAcid.png\" alt=\"\" class=\"wp-image-692\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SilicicAcid.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SilicicAcid-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SilicicAcid-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><strong>Silicic acid<\/strong> H\u2084SiO\u2084<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"693\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SiliconTetrafluoride.png\" alt=\"\" class=\"wp-image-693\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SiliconTetrafluoride.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SiliconTetrafluoride-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SiliconTetrafluoride-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><strong>Silicon Tetrafluoride<\/strong> SiF\u2084<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>The complete hydrolysis sequence:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>First step:<\/strong> H\u2082SiF\u2086 + H\u2082O \u2192 SiF\u2084 + <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">2HF<\/mark><\/strong><\/li>\n\n\n\n<li><strong>Second step:<\/strong> then silicon tetrafluoride (SiF\u2084) reacts with more water and it undergoes further hydrolysis: SiF\u2084 + 4H\u2082O \u2192 Si(OH)\u2084 + 4HF or more simply: SiF\u2084 + 4H\u2082O \u2192 H\u2084SiO\u2084 + <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong>4HF<\/strong><\/mark><\/li>\n<\/ol>\n\n\n\n<p><strong>The outcome is:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Silicic acid<\/strong> (H\u2084SiO\u2084 or Si(OH)\u2084) &#8211; a weak acid containing silicon<\/li>\n\n\n\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong>More hydrofluoric acid (HF)<\/strong> &#8211; additional HF beyond what was formed in the first step<\/mark><\/li>\n<\/ul>\n\n\n\n<p><strong>Total reaction:<\/strong> If you combine both steps, the complete hydrolysis of hexafluorosilicic acid in water can be represented as: H\u2082SiF\u2086 + 4H\u2082O \u2192 H\u2084SiO\u2084 + <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong>6HF<\/strong><\/mark><\/p>\n\n\n\n<p><strong>The significance:<\/strong> This means that when hexafluorosilicic acid fully hydrolyses in water, it can theoretically produce up to <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">6 molecules of hydrofluoric acid<\/mark><\/strong> per molecule of the original compound. This complete conversion would represent the maximum possible HF formation on a molecular level.<br><br>The BSEN 12175 dosing (6.3 mg\/L of 20% solution = 1.26 mg\/L pure H\u2082SiF\u2086) is designed to deliver 1 mg\/L fluoride AFTER complete hydrolysis and dissociation.<\/p>\n\n\n\n<p><strong>What actually happens:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>1.26 mg\/L pure H\u2082SiF\u2086<\/strong> is added to water<\/li>\n\n\n\n<li><strong>Complete hydrolysis occurs:<\/strong> H\u2082SiF\u2086 + 4H\u2082O \u2192 Si(OH)\u2084 + 6HF<\/li>\n\n\n\n<li><strong>This produces:<\/strong> 1.26 mg\/L \u00d7 0.833 = <strong>1.049 mg\/L HF<\/strong> from hydrolysis<\/li>\n\n\n\n<li><strong>Plus contamination:<\/strong> 0.0945 mg\/L HF (from the 1.5% contamination in the original compound)<\/li>\n\n\n\n<li><strong>Total HF produced:<\/strong> 1.049 + 0.0945 = <strong>1.1435 mg\/L HF<\/strong><\/li>\n\n\n\n<li><strong>This HF then dissociates<\/strong> (99.98% at pH 7) to give the intended <strong>1 mg\/L fluoride<\/strong><\/li>\n<\/ol>\n\n\n\n<p><strong>It is a correct assumption:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <strong>1.1435 mg\/L HF<\/strong> represents the total amount produced from 1.26 mg\/L of H\u2082SiF\u2086<\/li>\n\n\n\n<li>This includes both contamination and hydrolysis<\/li>\n\n\n\n<li>This HF then dissociates to produce the target 1 mg\/L fluoride<\/li>\n<\/ul>\n\n\n\n<p>The key point remains: to get 1 mg\/L of fluoride, the process produces 1.1435 mg\/L of a prohibited substance (HF) as an intermediate step, even though most of it quickly dissociates.<br><br>HF is a serious poison (so is highly reactive) but &#8220;luckily for us&#8221; (&#8220;wonderful on tap&#8221; &#8211; this must be that wonder STW mentions in their marketing slogan) when HF is in contact with water most of it immediately breaks into fluoride (F\u207b) and hydronium ions (H\u2083O\u207a).<br>The problem is depending on the acidity of the target water the breakdown of HF is greater or smaller.<br><br><strong>At pH 6:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>% dissociated = 100 \/ (1 + 10^(3.18 &#8211; 6))<\/li>\n\n\n\n<li>% dissociated = 100 \/ (1 + 10^(-2.82))<\/li>\n\n\n\n<li>% dissociated = 100 \/ (1 + 0.0151)<\/li>\n\n\n\n<li>% dissociated = <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">98.5%<\/mark><\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>At pH 6.5:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>% dissociated = 100 \/ (1 + 10^(3.18 &#8211; 6.5))<\/li>\n\n\n\n<li>% dissociated = 100 \/ (1 + 10^(-3.32))<\/li>\n\n\n\n<li>% dissociated = 100 \/ (1 + 0.00478)<\/li>\n\n\n\n<li>% dissociated = <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">99.5%<\/mark><\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>At pH 7:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>% dissociated = 100 \/ (1 + 10^(3.18 &#8211; 7))<\/li>\n\n\n\n<li>% dissociated = 100 \/ (1 + 10^(-3.82))<\/li>\n\n\n\n<li>% dissociated = 100 \/ (1 + 0.000151)<\/li>\n\n\n\n<li>% dissociated = <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">99.98%<\/mark><\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>At pH 8:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>% dissociated = 100 \/ (1 + 10^(3.18 &#8211; 8))<\/li>\n\n\n\n<li>% dissociated = 100 \/ (1 + 10^(-4.82))<\/li>\n\n\n\n<li>% dissociated = 100 \/ (1 + 0.0000151)<\/li>\n\n\n\n<li>% dissociated = <strong>99.998%<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>Comparison:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pH 6: 98.5% dissociated \u2192 <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">1.5% as HF<\/mark><\/strong> (0.017 mg\/L)<\/li>\n\n\n\n<li>pH 6.5: 99.5% dissociated \u2192 <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">0.5% as HF<\/mark><\/strong> (0.006 mg\/L)<\/li>\n\n\n\n<li>pH 7: 99.98% dissociated \u2192 <strong>0.02% as HF<\/strong> (0.0002 mg\/L)<\/li>\n\n\n\n<li>pH 8: 99.998% dissociated \u2192 <strong>0.002% as HF<\/strong> (0.00002 mg\/L)<br><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydroniumIon.png\" alt=\"\" class=\"wp-image-732\" style=\"width:278px;height:auto\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydroniumIon.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydroniumIon-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydroniumIon-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><strong>Hydronium Ion<\/strong> &#8211; this makes the acid super potent and eat through concrete<\/figcaption><\/figure>\n\n\n\n<p>If you didn&#8217;t know the pH of water is essentially a measure of the concentration of those hydronium ions (H\u2083O\u207a). More H\u2083O\u207a means lower pH (acidic water). Fewer H\u2083O\u207a means higher pH (basic or alkaline water).<br>So according to the above calculations while the poison HF dissolves in water it also makes it more acidic what leads to <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">MORE<\/mark><\/strong> HF not dissolving in it! There is more reportable poison floating in it waiting to interact with your tissues.<br><strong>How come the authorities allow for such hazardous chemical reaction to happen <strong>in the first place<\/strong>?! <\/strong><br><strong>This is about drinking water we talk here!<\/strong><\/p>\n\n\n\n<p><br><strong>From our 1.1435 mg\/L total HF:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Remaining as molecular HF:<\/strong> ~0.001-0.02% = ~0.0001-0.0002 mg\/L<\/li>\n\n\n\n<li><strong>Converted to F\u207b ions:<\/strong> ~99.98-99.998% = ~1.143 mg\/L<\/li>\n<\/ul>\n\n\n\n<p>We remind you that STW pours an acid into the water. <br>How do you think? <br>Is this making &#8220;the drinking water&#8221; more or less acidic?<br><br><strong>This changes the regulatory argument:<\/strong> While most HF converts to fluoride ions, there are still trace amounts of molecular HF present, and the process itself involves producing over 1 mg\/L of a prohibited substance, even if it quickly dissociates. The legal question remains whether the production and temporary presence of HF violates the poison control regulations.<\/p>\n\n\n\n<p>If you still don&#8217;t believe the above calculations think about the 3 forms in this water lifecycle:<br>1. <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong>hexafluorosilicic<\/strong><\/mark> H\u2082SiF\u2086 &#8211; it is a highly toxic industrial waste<br>2. <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">hydrofluoric acid<\/mark><\/strong> HF &#8211; is a reportable poison<br>3. <strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#43b01c\" class=\"has-inline-color\">fluoride<\/mark><\/strong> &#8211; is allegedly safe and effective, good for your health, bones, teeth and brain<br><br>Both source chemical substances and the original element itself &#8211; the <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">fluorine<\/mark><\/strong> are highly toxic <br>so how come the fluoride unpacked from those poisons all of a sudden is good for you?<br><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong>It is exactly the fluorine atoms that make these substances poisonous not the other elements (hydrogen, oxygen, silica).<\/strong><\/mark><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"685\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluorine.png\" alt=\"\" class=\"wp-image-685\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluorine.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluorine-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluorine-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong>Fluoride<\/strong><\/mark> &#8211; is good for your health!<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"686\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluoride.png\" alt=\"\" class=\"wp-image-686\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluoride.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluoride-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Fluoride-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Fluorine<\/mark> <\/strong>&#8211; a highly toxic gas<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"688\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride.png\" alt=\"\" class=\"wp-image-688\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HydrogenFluoride-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong>Hydrogen Fluoride<\/strong> \/ <strong>Hydrofluoric acid<\/strong><\/mark> &#8211; a confirmed poison, one of the substances released when the below acid is added to your water supply<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"693\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SiliconTetrafluoride.png\" alt=\"\" class=\"wp-image-693\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SiliconTetrafluoride.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SiliconTetrafluoride-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SiliconTetrafluoride-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Silicon Tetrafluoride<\/mark><\/strong> &#8211; a highly toxic and hazardous gas, one of the substances released when the acid (on the right) is added to your water supply<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"689\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HexafluorosilicicAcid.png\" alt=\"\" class=\"wp-image-689\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HexafluorosilicicAcid.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HexafluorosilicicAcid-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/HexafluorosilicicAcid-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong>Hexafluorosilicic acid<\/strong><\/mark> &#8211; a highly toxic industrial waste legally added to your water supply<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>It was not us who picked the bright green colour for the Fluorine atoms as its colour designation but the scientists in chemistry did it. Green colour is internationally associated with&nbsp;<strong>danger, poison and toxicity<\/strong>&nbsp;(e.g. warning signs, toxic symbols). Fluorine and its common compound, hydrogen fluoride (HF), are among the most hazardous and corrosive substances chemists can handle. The green colour serves as a subconscious &#8220;caution&#8221; signal, reminding students and researchers of its highly reactive and dangerous nature.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-6 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"747\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Sarin.png\" alt=\"\" class=\"wp-image-747\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Sarin.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Sarin-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/Sarin-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Sarin Gas<\/mark><\/strong> &#8211; the deadliest of chemical weapons equipped with a Fluorine atom to react with the target<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"748\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SProzac.png\" alt=\"\" class=\"wp-image-748\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SProzac.png 480w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SProzac-300x300.png 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/12\/SProzac-150x150.png 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Fluoxetine (Prozac)<\/mark><\/strong> &#8211; equipped with 3 atoms of Fluorine to numb the mental patient and to damage the organs<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p><br>The effects of inhaling Sarin gas are obviously deadly but the common side effects of taking Prozac include loss of appetite, nausea, diarrhoea, headache, trouble sleeping, dry mouth, and sexual dysfunction. Serious side effects include serotonin syndrome, mania, seizures, an increased risk of suicidal behaviour and an increased risk of bleeding.<br><br>If you cannot believe the above then ask any AI chat the same: <a href=\"https:\/\/chatgpt.com\/\" data-type=\"link\" data-id=\"https:\/\/chatgpt.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">ChatGPT<\/a>, <a href=\"https:\/\/mistral.ai\/\" data-type=\"link\" data-id=\"https:\/\/mistral.ai\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mistral<\/a>, <a href=\"https:\/\/claude.ai\/\" data-type=\"link\" data-id=\"https:\/\/claude.ai\/\" target=\"_blank\" rel=\"noreferrer noopener\">Claude<\/a><br><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"668\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-pixabay-159483.jpg\" alt=\"\" class=\"wp-image-612\" style=\"width:508px;height:auto\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-pixabay-159483.jpg 1024w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-pixabay-159483-300x196.jpg 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-pixabay-159483-768x501.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p><br><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Toxic and lethal doses of fluoride considered valid to this very day were established 80 years ago and are based on the experiments on rats and mice! <\/mark><\/strong><br><strong>The prediction of human toxicities from animal toxicity tests is often poor, and is now discouraged and in some cases banned.<\/strong><br>These figures claim that your body can take up to 70-140mg <strong>MILLI<\/strong>GRAM of fluoride per KILOGRAM of body mass because the rats could survive that level of poisoning. Has anyone in that lab asked those rats how did they feel?<br><br>At the same time it is prohibited to be more than 0.0945 mg (<strong>MILLI<\/strong>gram) of hydrofluoric acid per LITRE of drinking water! <br>This 94.5\u00b5g (<strong>MICRO<\/strong>gram) limit per 1L of water is arbitrary level anyway as HF in any amount is toxic to the body but this comes as part of the fluoridation of water! <br><br>They claim 5g of one poison (Fluoride) is fine but at the same time 0.0000945g of a related poison (HF) is considered a highly toxic poison.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-7 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"636\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-olly-3777565.jpg\" alt=\"\" class=\"wp-image-636\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-olly-3777565.jpg 1024w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-olly-3777565-300x200.jpg 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-olly-3777565-768x512.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"618\" src=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-tima-miroshnichenko-7567497.jpg\" alt=\"\" class=\"wp-image-618\" srcset=\"https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-tima-miroshnichenko-7567497.jpg 1024w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-tima-miroshnichenko-7567497-300x200.jpg 300w, https:\/\/stwpoison.uk\/wp-content\/uploads\/2025\/08\/pexels-tima-miroshnichenko-7567497-768x512.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<p><br>Are you now convinced to call or write to the Secretary of State and to your local representative?<br><br>Otherwise we assume that you are happy of the fact that these two corrosive poisons <strong>H\u2082SiF\u2086<\/strong> and <strong>HF<\/strong> in contact with water &#8220;miraculously&#8221; break into &#8220;harmless&#8221; Fluoride so then you can drink it and take all the health benefits.<br>In that case we wish you good luck!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is this all about this fluoride (F\u2082), fluorine (F\u207b), hydrofluoric acid (HF), hydrogen fluoride (HF), hexafluorosilicic acid (H\u2082SiF\u2086), silicon tetrafluoride (SiF\u2084), Silicic acid (H\u2084SiO\u2084)?It is super confusing. I don&#8217;t get it. We understand, in that case read the following. Fluorine (F\u2082): Fluoride (F\u207b): Key Differences: In the context of water fluoridation: All the compounds&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-444","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/stwpoison.uk\/index.php\/wp-json\/wp\/v2\/pages\/444","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stwpoison.uk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/stwpoison.uk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/stwpoison.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stwpoison.uk\/index.php\/wp-json\/wp\/v2\/comments?post=444"}],"version-history":[{"count":248,"href":"https:\/\/stwpoison.uk\/index.php\/wp-json\/wp\/v2\/pages\/444\/revisions"}],"predecessor-version":[{"id":1124,"href":"https:\/\/stwpoison.uk\/index.php\/wp-json\/wp\/v2\/pages\/444\/revisions\/1124"}],"wp:attachment":[{"href":"https:\/\/stwpoison.uk\/index.php\/wp-json\/wp\/v2\/media?parent=444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}