Alfagrog E10

Alfagrog is a porous ceramic filter material with a very high surface area, perfect for all filtration systems both aquarium & pond

Alfagrog is PH neutral & perfectly safe for all freshwater & marine setups, this anaerobic media will colonise large quantities of healthy bacteria that will in turn help reduce nitrates & ammonia. Particle Size of this alfagrog is around 3mm - 10mm