Fluval 404/405/406/407 Foam Block 2 Pack iq power filter Vitality can be used on

Vitality can be used on freshwater ornamental fish

This allows one to maintain these two important elements while maintaining calcium

requiring about 4 hours to go from TOXIC to SAFE on removal of ammonia

Best if calcium & carbonate additives are added on alternate days or at least 30 minutes apart

Fluval 404/405/406/407 Foam Block 2 Pack iq power filter Vitality can be used onFluval Foam captures large particles and debris for effective mechanical filtration, which is the crucial first stage in the filtration process. Custom fit to prevent debris bypass, the foam has a pore size that allows efficient water flow with less clogging for long lasting filtration. The foam also enhances biological filtration. Key Features : Captures large particles and debris for effective mechanical filtration Performs key role in first stage