• Apepollo11@lemmy.world
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      1 day ago

      I’m guessing it’s to break down the fat / grease in the poop.

      The hot water will speed up the reaction, with the added benefit of possibly expanding the pipe just enough to make a difference.

      Just a guess, though!

    • Jrockwar@feddit.uk
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      1 day ago

      I’ve had success with just dish soap - it makes blockages “slide” more easily.

      In the last flatshare I lived, I had a particularly annoying combination of a slow toilet and a flatmate incapable of solving any blockages. Whenever I’d see that, I’d go “fuck this”, squirt a silly amount of Fairy in the bowl (I’m talking like 100 ml at least) and usually the blockage would resolve itself overnight.