Hydor Crystal 2-stage Internal Filter for Aquariums Model:900 lph 5 1½ 1¼ 1 1

5 1½ 1¼ 1 1 2⅝ 2⅛ 1¾ 1

90% animal ingredients — the first five ingredients are always fresh or raw

and PeekAPaw lists the 1

For best results load dose by giving twice daily for four days initially

Hydor Crystal 2-stage Internal Filter for Aquariums Model:900 lph 5 1½ 1¼ 1 1The internal CRYSTAL filter guarantees water filtration in two stages. The first is a mechanical filtering that captures the waste and larger particles dispersed in the water through a sponge. The second, on the other hand, can be chemical or biological depending on the filter material that will be inserted in the specific compartment: activated carbon for chemical filtering and crystalline water, ceramic materials for specific biological filtering to