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a highly porous ceramic filter medium that optimizes biological filtration for a healthy aquarium
Iodine is as toxic as chlorine and should never be used in a reef system
FX Series Pump Unit (Motor) & Power Cord is suitable for FX5 and FX6 high performance filters (A218
this thermostatically controlled aquarium heater is suitable for freshwater or marine
It has a 180 micron mesh
Ocean Free Hydra Cata-Pure Cartridge 4 Pack Native & Specialist a highly porous ceramic filterThe Cata Pure Cartridge can last 9 12 months depending on the amount of fish and is functional in marine environments. Fits all model Hydra Internal Filters, Hydra Filtron & Inline Stream units which take the square cartridge. *HYDRA 30 NOTE: For the rectangular cartridge for the Hydra 30, click here. Please check your cartridge before purchase. The older model Hydra 30 have a rectangular cartridge, newer have the square. Model Number of Cata Pure
US$ 39.00
US$ 39.00
US$ 30.00
US$ 79.00
