i recently came across the fluidized sand bed filter.
i was wondering who was running them? are they effective bio filters? how much sand (volume wise) do you need for a 55g tank?
any DIY out there?
post pics up please, i'm curious of all the designs out there.
i was wondering who was running them? are they effective bio filters? how much sand (volume wise) do you need for a 55g tank?
any DIY out there?
post pics up please, i'm curious of all the designs out there.
