Coralife BioCube Filter Cartridge Replacements (2 Pack) Carbon External pump required: The chiller

External pump required: The chiller does not replace the circulation pump needed to move water through the unit

74 oz media unit in nylon filter bag

Adjust the reactor based on calcium

Works well with feeding clips for natural grazing behaviour

Mag-Float Medium Compatibility/Notes

Coralife BioCube Filter Cartridge Replacements (2 Pack) Carbon External pump required: The chillerCoralife BioCube Filter Cartridge Replacements (2 Pack) Coralife BioCube Filter Cartridge Replacements (2 Pack) are premium dual action replacement cartridges for Coralife BioCube aquariums. Each cartridge combines dense woven floss for mechanical filtration with activated carbon for chemical filtration in a rigid frame that helps prevent water bypass. Mechanical Floss and Carbon Filtration for BioCube Aquariums These replacement cartridges help