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Comment by Paul Westberg on August 12, 2012 at 10:12am

100 gallon stock tank with 1"pvc piping running to 5 35 gallon growbeds. Note valves at @ growbeds for volume control and the anti-backflow unit @ juncture of first bend in pipe. Very important for a raised tank. I beefed up the air volume and with the added turbulence it keeps the water very clean. The solids don't settle, the fish are more active and with the 1" pipe the wastes move quickly to the various beds.