Question about bulkheads

idle0095

Candiru
MFK Member
Jul 14, 2007
449
2
48
Manchester, NH
i have four bulkheads in my tank that i dont use. here plugged. were does the rubber gasket go? on the inside of the overflow or on the bottom of the tank were i screw the bulkhead tight?
 

idle0095

Candiru
MFK Member
Jul 14, 2007
449
2
48
Manchester, NH
thats what i thought but on two website they said to put it on the outside so it dont get wet and fall apart over time. thanks
 
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