Maximize your savings by buying resin in bulk. The RD-1 includes enough resin to refill your high-capacity system (DIC-20 or DIW-20) x3 times, or your medium-capacity system (DIC-10, DIW-10, or DI-120) x6 times. De-ionizes a total of approximately 900 gallons of deionized, spotless water based on your tap water quality RESIN REPLACEMENT:Quick and easy, takes less than 5 minutes. Unscrew blue filter housings and remove resin cartridges. Dispose of used resin carefully (non-hazardous but slippery if spilled). Rinse cartridges and refill with new resin. Ensure the white cap is at the bottom of the blue housing (black washer on top). Replace centering ring and reattach filter to unit. USAGE TIPS:Use resin within 12 months (check 'use by' date on package). Store in a dry place, in unopened, labeled containers.
