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Old 12-12-2005, 06:00 PM
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Quote:
Originally Posted by muck
If the threads are pointing to the inside of the tank the gasket goes on the outside of the glass.

If the threads are pointing outside of the tank the gasket goes on the inside of the glass.

The gasket always has to be against the flat part of the bulkhead itself.
!00% correct. The gasket will only seal properly if sandwiched between the bulkhead flange and the glass/acrylic. If you put the gasket on the side with the nut, the water can seep past the threads. It does not matter that the gasket inside or outside as long as it is against the bulkhead flange. Never never never on the side with the nut.
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50 gallon FOWLR, 10 gallon sump.
130 gallon reef, 20 gallon sump, 10 gallon refugium.
10 gallon quarantine.
60 gallon winter tank for pond fish.
300 gallon pond with waterfall.
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