Hey i hv a custom made filtersing system attached to my tank.. this is how it works.!!! the power head suk up the water and it pumps to the glass box under the tank roof..and currently i hv put wool ONLY..and i wanna noe how to add bio rings to the system?and what more i cn add? is ther a order how to place them in the filter? thanx in advance
monsterfilterkeepers LMAO

monsterfilterkeepers LMAO
