I plan on reduing my filter setup and was wondering if sand could be used for mechanical and biological filtration. Any suggestions on its use or how it can be incorperrated without being poured out of the filter by the water movement.
I plan on reduing my filter setup and was wondering if sand could be used for mechanical and biological filtration. Any suggestions on its use or how it can be incorperrated without being poured out of the filter by the water movement.