Hydor Crystal 2-stage Internal Filter for Aquariums Model:900 lph and Chicken with Cheese —

and Chicken with Cheese — all with no grains

or with you

Duck is an excellent source of protein

yucca  extract

Hydor Crystal 2-stage Internal Filter for Aquariums Model:900 lph and Chicken with Cheese —The 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