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#7
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![]() Have you hooked up the RO system to see what your product water TDS is? If it's down below 4, you're probably ok to start cycling the tank with that. By the time your back ordered DI stage arrives, you'll be ready to add livestock after a water change with 0 TDS RODI water. My tap water TDS is generally in the 180 TDS range and my 75 gpd RO membrane gets that down to 1 TDS after running for about 5 minutes. I do have a DI stage to get the TDS down to 0, but in a pinch I wouldn't hesitate to use just RO water at 1 TDS.
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Mike 77g sumpless SW DIY 10 watt multi-chip LED build ![]() |