help with closed loop A friend has purchased a 180 gallon tank with 4 - 1 1/2" holes in the back all same size and layed out geometrically i am trying to draw but using notepad so the spacing isnt correct in the drawing but it is on the tank I am trying to get suggestions on how to run the piping for the loop and should i use spraybars or what on the inside also what should be on the return side thise will be run by a little giant pump also a little over 1000gph
thank you for the help
alt="" />
thank you for the help
