Talk:Drain cleaner

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[edit] Safety issue

I have deleted the sentence "and often contain aluminium chips that react with the lye to generate hydrogen gas to agitate scum deposits in the blocked drainpipe" for safety reasons. The hydrogen gas would create a risk of fire or explosion and I'd be very surprised if any such product were on sale. See: Sodium_hydroxide#Safety. Biscuittin 13:28, 4 June 2007 (UTC)