A quick and easy way to add De-Ionization to any RO system or to add a secondary DI stage to any RO/DI system.
Standard Add-On DI includes clear canister with mounting bracket, Color-Change DI cartridge and 10` of RO tubing.
Captive Purity manufactures water filtration and water testing supplies for marine and reef aquaria. The brand is best known for their high-quality line of reverse osmosis filter systems and accessories. Captive Purity also produces refractometers for testing salinity, portable pen-sized meters for testing pH as well as replacement filter media for their RO and RO/DI filter systems.