So i think i have the jist of it with the manifold idea....
put a T after my ball valve and union off of my return pump before i hit the split to my dual 1 1/2" returns then ball valve each T i add for each reactor and dial in accordingly....? if thats correct then thats what I shall do
thanks guys
http://melevsreef.com/pics/09/01/ass...g_manifold.jpg