Want this question answered?
What makes a bathroom drain smell, soap makes a bathroom drain smell
you can try cleaning the sink out with bleach.
It's possible that these tiny black worms in your bathroom are drain fly larvae. They are commonly found in moist areas and feed on organic matter present in drains. To get rid of them, you can try cleaning and sanitizing your drains regularly, ensuring they are dry, and using drain cleaners if necessary.
Pee in the drain or sink! n00b
Unclog drain that both sinks drain into.
Bathroom or kitchen should be square and level. The plumbing drain lines need slope to drain properly.
a 3 inch pipe
Because the bathroom is generally warm and damp, drain flies has been known to lay eggs in shower drains or on the tiles where moisture can be found. Once the eggs from drain flies hatch, their larvae come out looking for a place to develop. The larvae are dark in color and tend to crawl between cracks and crevices to hide.
If you have a stink coming up from the overflow drain in your bathroom sink, you have some garbage down there that you should not have. You probably have a lot of hair clogging the drain. It is probably slow draining. You need to clean it out and get rid of the gunk.
Take apart the drain and clean it up. Fit new seal, drain to bowl and new seal from slip tube to drain tube.
trap with a cleanout plug
Yes a clogged VENT pipe can cause a sluggish drain