Fluval Poly-Max Cartridge for U2 Underwater Filter 2-Pack Amazon Regulate your terrarium’s photoperiod with

Regulate your terrarium’s photoperiod with this easy-to-use day/night timer

Ingredients:

Available in 25 watt and 40 watt

fresh whole pacific mackerel (13%)

Quality Guaranteed

Fluval Poly-Max Cartridge for U2 Underwater Filter 2-Pack Amazon Regulate your terrarium’s photoperiod withSpecifically designed for the Fluval U2 filter, the U2 Poly Max Cartridge helps control green water and unsightly algae growth by trapping and adsorbing phosphate, nitrite and nitrate. Features: Chemical filter media Produces crystal clear water, reduces odor, and creates ideal conditions for fish and plants Helps reduce overall aquarium maintenance Suitable for freshwater, saltwater or reptile environments Convenient 2 pack format Compatibility: U2