im gonna make a sump thats 120 gal for 180 tank,the 120 was a sump at one point,im looking for the best ideas to make this sump work again any ideas or pics would help gonna try to put up pics,will k1 media work for saltwater tanks or no,also i want to ad socks to this sump i know how to make it but where shuld i put it in this sump thanks 18fisher this is the tank and the stand that stand im makeing thanks 18fisher