Most household toilet clogs are "soft clogs." They are comprised of organic waste and, crucially, F.O.G. (Fats, Oils, and Grease) .
If the bowl is full to the brim, bail some out into a bucket so there is room for the hot water. clogged toilet boiling water
Let the hot water sit for 5–10 minutes. This gives it time to soften and break up the clog. Most household toilet clogs are "soft clogs
Heat a gallon of water on the stove, but stop well before it boils . Aim for the temperature of a very hot cup of tea (roughly 120°F–140°F). clogged toilet boiling water