Clogging of the drain at home or a commercial place is a common occurrence, but a nasty one though. If you analyze why the drain pipes get clogged, and block water getting drained, the answer will be accumulation of various substances that go into the drain, through the pipes. Human hair, grease, oil, soap scum, foodstuffs and other debris going into the drain little by little, accumulate and bulge together to clog the drain. There are so many Drain cleaning methods in practice.