
Originally Posted by
joshua_arndt
yeah there is multiple layers, the bottom layer for coarse foam pads, the next layer up is for fine foam pads, the next three are where it says "can be packed for bio. and chem. filtration" and the next couple layers up if for bio chem zorb and the top layer is a micro-filtration pad.
Where does he recommend to get the bio. and chem. filtration stuff.
Josh