Hagen Fluval Clearmax Phosphate Remover - 3-100 Gram Pouches
Clearmax reduces many of the compounds that encourage unsightly algae growth.
It absorbs and traps phosphate, nitrates, and nitrites.
Clearmax makes maintenance easy. It provides crystal clear water, reduces odors, and provides your fish and plants ideal water quality.
Each 100 gram packages treats up to 27 gallons and can be effective for up to 3 months (dependent on water quality).
Rinse well before use.