(update to be exact its actually exacly 719.4gallons the pond)so my design should work?for the gph on the pump do you think 700gph pump should do it? since am not going to have much on the width?is it overkill or is it too low? what would u reccomend? thanks so much kevin!!! you dont really know how much you helped me. i might just rough it up a lil bit so i can sleep at night hahaha again thanks so much!!! thats not all the filteration am doing i hope everyone knows that. am going to have a bunch of pumps for flow, sand filter, and alot more.