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- - MAG 18's (http://www.canreef.com/vbulletin/showthread.php?t=14091)

Quinster

02-20-2005 03:03 PM

MAG 18's

I lost my instructions for my MAG 18's and their web site has poor instructions on it...what I want to know is what is their recommended size pipe for these pumps. I seem to remember either 1 1/4" or 1 1/2" for the outlet side. :crazyeye: I know you can never oversize the inlet, but I can't remember the recomended outlet size right now they are going through 3/4" and I know that is really slowing the flow alot!!

Thanks for any help!

Invigor

02-20-2005 03:17 PM

recommended 2x the pump size. so 1.5"

Quinster

02-20-2005 04:13 PM

Thanks Alot!!! That is what I was thinking :biggrin:

Stasher

02-20-2005 11:23 PM

If you do not want to go with 1.5 you can go with 1.25. At 4' head the 1.5 will give you 1326gph while with 1.25 you get 1293gph. For a loss of only 33gph I would go with 1.25. I am running mine with 1.25 and have had no problems at all.

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