Indy_Guy_77
Grandmaster
- Apr 30, 2008
- 16,576
- 48
What do you mean "drain slime"?
There's a biofilm that forms on any surface that is wet or wetted regularly and it actually helps prevent clogs in drains. It may be that, but dunno?
Baking soda and vinegar, followed by very hot water.
I usually just remove the p-trap and clean it out.