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Timothy Murphy
 
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Default Clearing blocked toilet with caustic soda

Malcolm Stewart wrote:

If it doesn't get round the u-bend, how do you expect it to work?


My first-floor toilet is blocked, as far as I can see
just after the U-bend.


I must say I wondered that.
The toilet does drain slowly,
taking maybe 30 minutes after flushing.
So I guess the sodium hydroxide should slowly get round the bend
if the level in the toilet is slightly above the U-bend.
I'll try it anyway (with gloves and goggles!)

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Timothy Murphy
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s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland