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.
The Captive Purity Refractometer is an incredibly accurate and easy to use device that eliminates the confusion associated with inexpensive hydrometers. Just place a couple of drops of water on the prism and hold to the light. Rea...