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Caustic soda sink cleaner.
In this case the crystals will settle in the trap or some other place in the pipes and won t dissolve.
In this blog we ll explain why chemical drain cleaners are bad for you and your pipes.
Using one of these chemical cleaners to unclog your drain could cause more harm than good in the long run.
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Take a large bucket and dilute 3 cups 750 ml of caustic soda in 3 litres of cold water.
The next time your sink or tub drain is clogged forget those caustic commercial products and try this homemade drain cleaner recipe instead.
A caustic soda drain cleaner is a drastic solution if you want to make a drain cleaner with sodium hydroxide you need to mix it with cold water.
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Use a wooden spoon or stirrer to mix the soda and the water.
Caustic soda more commonly known as sodium hydroxide or lye can clean a drain quickly but it s very aggressive which means you ve got problems if you use it in the wrong way like pouring the crystals directly into the drain.
How to use caustic soda for cleaning unclogging drains.
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But you should do this in a plastic or glass bowl not a metal one because the caustic chemical reacts with metal.