While it might seem logical to use the hottest water possible, boiling water can crack cold porcelain or melt the wax ring seal at the base of your toilet. —as hot as your hand can comfortably touch (roughly 140°F / 60°C), but not scalding.
Go to your bathroom sink or tub and turn the tap to the hottest setting. Let it run until the water is piping hot. Fill a bucket or a large waste bin with about a gallon of this hot water. unclog a toilet hot water
Understanding why this process works explains its high success rate: While it might seem logical to use the