Aqua One 75c Carbon Cartridge for AquaNano Marine 36

The Aqua One 75c Carbon Cartridge is a disposable filter cartridge for use in the Aqua One AquaNano Marine 36 aquarium. The 75c carbon cartridge forms the first layer of the filtration process and the cartridge should be removed and disgarded when blocked with fish waste and debris. This will usually be every four to six weeks. The Polymer 'wool' layer traps debris while the activated carbon removes odours and clarifies the water. An essential part of the Aqua One filter system.

We've tried substitutes and we've tried other filtration methods but nothing comes close the the original Aqua One 75c carbon cartridge.