The primary enemy is organic matter. Hair binds with soap scum (which is made of animal fats and minerals) to create a sticky, rope-like substance. Add in toothpaste residue and tiny bits of skin cells, and you have a "bio-clog" that acts like wet cement.
Stay vigilant, keep the grease out of the sink, and may your water always flow downhill. drain line clogged
There are few household sounds more frustrating than the gurgle-gurgle-gurgle of water struggling to disappear down a drain. Whether it’s the shower turning into a murky foot bath, the kitchen sink refusing to swallow rinse water, or the washing machine backing up onto the laundry room floor, the culprit is almost always the same: a clogged drain line. The primary enemy is organic matter