OK this has got me going both of my 300 gals are leaking at the drain. there are a gasket at both sides. i put thread tape on threads tightened the nut leak then backed the nut off and tightened the nut leaked tried a different gasket for the inner side of the tub leaked. what am i doing wrong? do i have the nut on the wrong way? is the plug suppose to go on the inside of the tub. i am hot !!
