3 ms·

I think some people add a thin layer of cooking oil to rarely used drains so the water in the trap doesn't evaporate. I haven't had to try it myself but it's wo

by dmm 6y ago

I think some people add a thin layer of cooking oil to rarely used drains so the water in the trap doesn't evaporate. I haven't had to try it myself but it's worth a try.

eumenides1 6y ago
Use mineral oil. Cooking oil goes rancid.