Thread: Using RO/DI waste water in freshwater aquarium?
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Old 04-17-2014, 10:38 PM
Drfu Drfu is offline
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So i tested my Ro waste water for Gh & kh, both ate between 7-10 drops or 100-200 ppm, is this a bit high for a standard community tank? Again my TDS of my tap water is around 200, mo Ro waste water is around 220
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