reeferstace
New Member
I have a 100g Rubbermaid stock tank that will be my sump. The tank has two drilled holes in the bottom. One of the holes is plugged. I plan to run a submersible return pump instead of an external one. That means I need the other hole sealed. I have a 1.5" bulkhead that fits the hole. I have no idea what I need for the other side to seal the opening. Some one said 1.5" male parts but they are smaller than the hole itself. I don't know what to buy. Any suggestions....
Stacy
Stacy