Amazon
Highly Effective Bio-Media made of hardened ceramic materials Lightweight, Economical Biological Filter media Highly Porous, Inert and pH Neutral Can be used in Pond Filters Increased surface area for beneficial bacteria growth
Highly Effective Bio-Media made of hardened ceramic materials Lightweight, Economical Biological Filter media Highly Porous, Inert and pH Neutral Can be used in Pond Filters Increased surface area for beneficial bacteria growth