Andrew Puhr Posted May 9 Share Posted May 9 I purchased a used Jehmco pump that came with pieces of 3/4 pipe with air valves already drilled in. I will need to purchase new PVC to do my air loop. I just wanted to know if I am better going with 3/4 or 1" PVC for the loop. The pump is the same size as the Co-Op one and I know they said you can do 3/4 or 1 but I am not sure why one is better than the other. I plan to have around 12 - 15 drops in my fish room and the run will be around a 15' long x 8' wide for the loop. If I use the 3/4 I can use some of the pieces I got with the pump but if 1" is better I can just remove the valves and add them to the 1" without much issue. Link to comment Share on other sites More sharing options...
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