Bulk Reef Supply

10” Refillable Cartridge for Catalytic Carbon

10" Refillable Catalytic Carbon Canisters fit all standard RO canisters. These do not have the sediment filters that Refillable DI Resin cainsters have so they won't clog with carbon fines.

How to refill a Catalytic Carbon Cartridge

  • Unscrew the bottom cap from the cartridge.
  • Fill the canister with Catalytic Carbon.
  • Place the newly filled cartridge into the RO canister and make sure the arrow on the side of the cartridge points up.