| return pump
i was trying to get a mag 12 for my tank but online it is 13 dollars more to get a mag 18. what it be better to get the mag 18 and dial it down but if increased flow is required later i will have it or should i just get the mag 12. its a 180 with 2 corner overflows one overflow has the return and the stand pipe and the other has nothing in it right now | 
