R roderigo Joined 18 May 2011 Posts 766 Reaction score 23 Location Table view 13 Aug 2011 #1 If I got a 4000lph return pump must I have a 40mm hole for over flow or will a 32mm be ok
*Philip* Joined 8 Feb 2011 Posts 169 Reaction score 1 Location Durbanville 13 Aug 2011 #2 Stick to bigger is better. Drill hole 42mm, then use bulkhead and fit 32mm pipe. Check the bottom of my thread for pics of bulkheads and prices. bulkheads - Marine Aquariums of South Africa
Stick to bigger is better. Drill hole 42mm, then use bulkhead and fit 32mm pipe. Check the bottom of my thread for pics of bulkheads and prices. bulkheads - Marine Aquariums of South Africa