Originally Posted By: JKB
Any numbers on optimum flow rate, circular motion like in rpm or feet per minute measured from a fixed radius for best results?


What'd think I am an engineer or somethin'? grin

15 to 30 cm. per second for optimal bottom cleaning.

0.5 to 2.0 times the fish's body length per second for best fish health.


http://ag.arizona.edu/azaqua/ista/ISTA7/...nk%20Design.pdf

All the same stuff in Timmon's and Ebeling's latest recirculating book. (The green one).

Last edited by Cecil Baird1; 02/10/16 07:19 PM.
If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.