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yeah its a bit over kill, but i have 5 prefilter canisters already, so i thought i would throw some filters in them. My tap water is treated with chloramine so i figured threee stages of carbon would help with that. The 2 sediment fiters could be reduced to 1, considring i have a whole house sediment filter. Should i just remove one sediment filter and go 4 stage prefilter?
There is a check valve before the supply side of di canister and a on/off valve on the out side of canister. From what i read (could be wrong), u put a check valve before the di canister to prevent DI water from running back to faucet and storage tank, but allowing the RO storage water to run through when i open valve to get DI water.
But if You have a on/off valve (in Off position) after DI canister that should prevent back flow right?
Thnx for the advice
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