Originally Posted by KrazeKajin
give us some specs on filters and all that
Please
Well it is just a 50 gallon rubbermaid tote with about 8 3 inch pieces of PVC pipe cut to about 4 inch lengths standing vertical with a mesh white plastic bottomon top of them. The I add around 4,000 - 4,500 bio-balls. Then I put a piece of filter fosson top of all that ten a tray will small holes drilled all in it to spread the water evenly over the bio-balls. then out the 1.5 inch bulk head to the 3600 GPH return pump.