Originally Posted by For the Family
I have power at the corner of my dam and am looking at running a 5 diffuser system. The longest run will be a double diffuser almost 500ft away. It will go down to a depth of 20ft before rising across a point to settle at 12-15ft deep. Would it be cost effective to run pvc for majority of the run? How is everyone running air that far from the pump?


Is this going to be run on dry land, or under water?

If under water, just use the weighted airline going to each diffuser assembly, any water in the line will not be a problem and neither will be the dip. If on land, then the dip will cause problems with water condensing and collecting in the dip. You'd have to run some type of anti-freeze system in the winter to prevent the line from freezing, unless you can bury it all below the frost line.

We have done single runs of over 800 feet to a 5 diffuser airstation, all under water using BottomLine weighted airline from Vertex. We have also run black poly line over 2,000 feet under ground from the compressor to the pond without any issues.

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).