RO/DI System Cartridge Clear Housing 3 LBS color Changing DI Resin by CFS

$65.99
RO/DI System Cartridge Clear Housing 3 LBS color Changing DI Resin by CFS RO/DI SYSTEM CARTRIDGE CLEAR HOUSING & 3 LBS COLOR CHANGING DI. REEFS/AQUARIUM DI Resin is necessary to reduce Total Dissolved Solids (TDS) to zero and is the last stage of an RO/DI unit. It is unnecessary to use the expensive proprietary DI cartridges that other RO manufacturers sell. Simply buy a refillable DI cartridge and fill with DI resin. You'll save money and get the same results