To replace the purification media, shut off the water supply to the system. Open a faucet in the house to release pressure from the canisters. Using the plastic wrench included with your system, slowly unscrew the first canister. Keep a pail and towel handy just in case. Remove the inner white canister, unscrew it and replace the old media with your new set. Put the white canister back into the blue one. Apply silicone (included) to the black “O” rings, screw the canister back into the system by hand and tighten with the plastic wrench. Repeat the process for all three canisters.
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