Leaking Bulkheads

HALP

New Member
Anyone got any tips to fix leaking bulkheads? Gaskets smooth side is against the tank. Its an acrylic tank so silicone not going to help much.
 

HALP

New Member
Down to just one leaking now. Got superman strength I guess and had a few to tight from just hand tightening. Everything I have found online says to hand tighten then 1/4 turn more.

I think part of my part of my problem is the surface around the hole is not perfectly smooth so its not a perfect seal.
 
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