I set up a closed loop system and its working great, except for one thing. ..... it has a drip coming from the pvc thats attached to the bulkhead from underneath the tank. I cant take it of since that would dump all ther water on the floor. Ive tried to use that silicone tape, but it still leaks through the tape. I was thinking of using some of that clay-looking epoxy to basically cover that whole area. I was wondering if there was any other remedies out there.