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<blockquote data-quote="rajitha.wijayaratne" data-source="post: 31580243" data-attributes="member: 563228"><p>Caustic soda (sodium hydroxide) is a powerful alkaline chemical that dissolves grease, hair, and organic matter to clear blocked drains</p><p></p><p>How to Use Caustic Soda Safely</p><ul> <li data-xf-list-type="ul"><ul> <li data-xf-list-type="ul"><strong>Wear protective gear:</strong> Put on rubber gloves, eye protection, and a mask before handling.</li> </ul><ul> <li data-xf-list-type="ul"><strong>Mix with cold water first:</strong> Always add caustic soda crystals slowly to cold water in a bucket or jug (never pour water onto dry caustic soda). Stir gently with a stick or non-metal utensil.</li> </ul><ul> <li data-xf-list-type="ul"><strong>Pour into the drain:</strong> Slowly pour the mixed solution down the blocked drain.</li> </ul><ul> <li data-xf-list-type="ul"><strong>Wait and flush:</strong> Let it sit for 10 to 30 minutes, then flush the pipes thoroughly with plenty of cold water. [<a href="https://bdsdrainage.co.uk/blog/how-to-unblock-a-drain-using-caustic-soda/" target="_blank">1</a>, <a href="https://www.instagram.com/reel/DNkbTVHzZ-f/?hl=en" target="_blank">2</a>, <a href="https://www.diggersaustralia.com.au/products/cleaners-sanitisers/diggers-caustic-soda/" target="_blank">3</a>, <a href="https://gluesaustralia.com.au/products/glitz-caustic-soda-for-drains-and-heavy-duty-cleaning-500g" target="_blank">4</a>, <a href="https://www.youtube.com/watch?v=msDZAolU14o&t=55" target="_blank">5</a>]</li> </ul></li> </ul><p>Precautions and Warnings</p><ul> <li data-xf-list-type="ul"><ul> <li data-xf-list-type="ul"><strong>Avoid aluminum and specific finishes:</strong> Do not use caustic soda on aluminum, zinc, tin, fiberglass, or painted surfaces, as it can cause severe damage.</li> </ul><ul> <li data-xf-list-type="ul"><strong>Ventilate the space:</strong> Open nearby windows and doors to keep the area airy.</li> </ul><ul> <li data-xf-list-type="ul"><strong>Never mix chemicals:</strong> Avoid combining caustic soda with bleach, acids, or other commercial cleaners to prevent toxic reactions.</li> </ul><ul> <li data-xf-list-type="ul"><strong>Plumbing risks:</strong> Excessive or repeated use can damage older PVC pipes or plumbing components. [<a href="https://www.reddit.com/r/askaplumber/comments/1jgejet/ive_always_thought_caustic_soda_is_the_ultimate/" target="_blank">1</a>, <a href="https://drainboss.co.uk/why-using-caustic-soda-to-clean-your-toilet-could-be-dangerous/" target="_blank">2</a>, <a href="https://gluesaustralia.com.au/products/glitz-caustic-soda-for-drains-and-heavy-duty-cleaning-500g" target="_blank">3</a>]</li> </ul></li> </ul></blockquote><p></p>
[QUOTE="rajitha.wijayaratne, post: 31580243, member: 563228"] Caustic soda (sodium hydroxide) is a powerful alkaline chemical that dissolves grease, hair, and organic matter to clear blocked drains How to Use Caustic Soda Safely [LIST] [*][LIST] [*][B]Wear protective gear:[/B] Put on rubber gloves, eye protection, and a mask before handling. [/LIST] [LIST] [*][B]Mix with cold water first:[/B] Always add caustic soda crystals slowly to cold water in a bucket or jug (never pour water onto dry caustic soda). Stir gently with a stick or non-metal utensil. [/LIST] [LIST] [*][B]Pour into the drain:[/B] Slowly pour the mixed solution down the blocked drain. [/LIST] [LIST] [*][B]Wait and flush:[/B] Let it sit for 10 to 30 minutes, then flush the pipes thoroughly with plenty of cold water. [[URL='https://bdsdrainage.co.uk/blog/how-to-unblock-a-drain-using-caustic-soda/']1[/URL], [URL='https://www.instagram.com/reel/DNkbTVHzZ-f/?hl=en']2[/URL], [URL='https://www.diggersaustralia.com.au/products/cleaners-sanitisers/diggers-caustic-soda/']3[/URL], [URL='https://gluesaustralia.com.au/products/glitz-caustic-soda-for-drains-and-heavy-duty-cleaning-500g']4[/URL], [URL='https://www.youtube.com/watch?v=msDZAolU14o&t=55']5[/URL]] [/LIST] [/LIST] Precautions and Warnings [LIST] [*][LIST] [*][B]Avoid aluminum and specific finishes:[/B] Do not use caustic soda on aluminum, zinc, tin, fiberglass, or painted surfaces, as it can cause severe damage. [/LIST] [LIST] [*][B]Ventilate the space:[/B] Open nearby windows and doors to keep the area airy. [/LIST] [LIST] [*][B]Never mix chemicals:[/B] Avoid combining caustic soda with bleach, acids, or other commercial cleaners to prevent toxic reactions. [/LIST] [LIST] [*][B]Plumbing risks:[/B] Excessive or repeated use can damage older PVC pipes or plumbing components. [[URL='https://www.reddit.com/r/askaplumber/comments/1jgejet/ive_always_thought_caustic_soda_is_the_ultimate/']1[/URL], [URL='https://drainboss.co.uk/why-using-caustic-soda-to-clean-your-toilet-could-be-dangerous/']2[/URL], [URL='https://gluesaustralia.com.au/products/glitz-caustic-soda-for-drains-and-heavy-duty-cleaning-500g']3[/URL]] [/LIST] [/LIST] [/QUOTE]
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