Fluval U4 U-Series Poly-Max Clear Water and Algae Aquarium Filter Media Cartridge - 2 Pack Wheezing Suitable for tanks up to

Suitable for tanks up to 20 gallons

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Chondroitin Sulfate 750 mg/kg min

FROMM PurrSnickety Salmon Pate Canned Cat Food - 5

Fluval U4 U-Series Poly-Max Clear Water and Algae Aquarium Filter Media Cartridge - 2 Pack Wheezing Suitable for tanks up toFluval U4 ClearMax Cartridges are phosphate remover media inserts for the Fluval U4 internal filter. They help combat algae and improve water clarity by adsorbing phosphates, nitrites, and nitrates from aquarium water. Regular use of ClearMax reduces excess nutrients that cause algae blooms, resulting in clearer, healthier water. This pack includes 2 replacement cartridges for sustained chemical filtration in your Fluval U4 filter.