Mike AP is right . Those 3 8 inch pipes will move a lot of water. At full bore they will probably shoot water a good way down your falls. I hope you can get a pic as it will be a sight to see. Look at this material. From the archive http://www.pondboss.com/forums/ubbthreads.php?ubb=showflat&Number=92487#Post92487 .

http://www.in.nrcs.usda.gov/pdf%20files/PONDS.PDF


Last edited by ewest; 12/11/09 03:04 PM.