Fluval U2 Filter Poly/Carbon 2 Pack AquaClear Depending on dosage

Depending on dosage

Filter Sponge Fine (Single Pack)

Cytobactor and Paenibacillus species

Severely depleted levels of magnesium (below 800 mg/L) can cause depressed pH levels and an inability to maintain proper calcium levels

Use along with Fluval Water Polishing Pads (A246) to optimize water purity

Fluval U2 Filter Poly/Carbon 2 Pack AquaClear Depending on dosageFluval Poly Carbon Cartridge has two unique filtering sides that combine to provide thorough and effective chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The carbon side filters out harmful liquid substances, colourants and odours. Key Features : Polyester Carbon cartridge provides thorough and effective chemical filtration Polyester filter pad side