Boiling Water Down Drain ~upd~

Counterintuitively, the practice also challenges the common belief that boiling water is the ultimate drain cleaner. It is true that hot water helps liquefy congealed fats, oils, and grease (FOG). However, the water often cools rapidly as it travels through the pipes. If the water cools before the grease is fully flushed into the main sewer line, the grease re-solidifies further down the system. This can create stubborn blockages deep within the plumbing, where they are much more difficult and expensive to access than a clog right beneath the sink basket. In this scenario, the boiling water merely moves the problem deeper rather than solving it.

Boiling water is generally safe in small, occasional amounts. For PVC, ABS, or unknown pipes: Never pour boiling water down the drain. Stick with very hot tap water. boiling water down drain

There are several alternatives to disposing of boiling water down the drain: If the water cools before the grease is

While a quick splash might not cause immediate failure, repeated exposure to boiling water can soften the plastic, cause joints to loosen, or lead to "bellies" in the line where debris can collect. Boiling water is generally safe in small, occasional amounts

Boiling water down the drain can also have environmental and wastewater treatment implications: