Water question

dtvmike

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I've been using tap water in my 120g system. I just purchased a RO/DI unit, how long will it take for my system to be completely ro/di water with 10% water change every week? No sump so just 120g
 

reefman

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120(12)/.1*.1(X)=120~0.1/120 figure out what X is will determine how many WC is needed. :lol::kidding:
I aint no mathamethical genius but i dont think u will competely replace all 120g with ro/di water since each wc will only dilute 10% less tank water with ro/di water. as long as u keep improving the water condition of your tank with each water change, your tank should continue to do better.
 

masterswimmer

www.saltwatercritters.com
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Exactly what reefman said (not necessarily the math part ;) ). Even if you change 100,000 gallons of water you'll never be at 100% RO/DI. You will continuously dilute it and it will keep getting better for your system though.

swimmer
 


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