Bulk Head and Emergency line Questions?
I just drilled 2 holes in my tank one for the return one for the over flow Should I silicone the bulk heads in or not?
I was also wondering if I should put a 2nd overflow line as a emergency back up. Do alot of people do this?
3rd question is I am putting a internal overflow box in should I put a rubber seal between the overflow box and the tank or should I silicone it?
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