Reef Central Online Community - View Single Post - Step-by-Step: Drilling Holes in Your Glass Tank for Bulkheads

swedish steel · 01/30/2007, 10:11 AM

I drilled two 3 3/16" holes in each of my two tanks - one one each end to feed Sequence Dart pums. These were for schedule 80 bulkheads. I think you would be fine as long as you were at least 1/2 the hole diameter from any edge.

01/30/2007, 10:11 AM	#589
swedish steel Registered Member Join Date: Mar 2006 Location: Everett, WA Posts: 102	I drilled two 3 3/16" holes in each of my two tanks - one one each end to feed Sequence Dart pums. These were for schedule 80 bulkheads. I think you would be fine as long as you were at least 1/2 the hole diameter from any edge.