Two months ago a plumber came to my home and unclogged the toilet with a manual auger. The toilet was fine for a few weeks then it started to partially flush then overflow. Last night, I flushed the toilet for the final time, turned the water off from toilet valve, and poured food coloring into the tank. When I awoke this morning, the toilet had almost overflowed and the food color was in the bowl. What's your diagnosis of the problem? Thanks all.
Toilet-Food Color Test
- Thread starter practigal
- Start date
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Sounds like your float valve needs adjusting or replacing as your cistern is obviously overflowing. 
Also looks like your toilet still has a blockage too.
Also looks like your toilet still has a blockage too.
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