Fluval U3 - Poly/carbon Cartridge 2 aqua soil Aquarium Type Salinity Alkalinity (meq/l|dKH)

Aquarium Type Salinity Alkalinity (meq/l|dKH) Ca (mg/l) Mg (mg/l) K (mg/l) Dose Fish 30

It is the only spherical carbon on the market

allowing water to overflow softly on to the gravel bed

We used a silicone seal which protects the filter against leakage

Coral Colours Pro Test Kit

Fluval U3 - Poly/carbon Cartridge 2 aqua soil Aquarium Type Salinity Alkalinity (meq/l|dKH)Fluval U3 Poly Carbon Cartridge 2 Pack (A491) The replacement Fluval U3 Polyester Carbon Cartridge are designed for: Fluval U3 Underwater Internal Filter Fluval 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