I think anything under 10 ppm is ok, btw i discarded the first batch of RO/DI water(5 gallon or so), that's just me.
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I think anything under 10 ppm is ok, btw i discarded the first batch of RO/DI water(5 gallon or so), that's just me.
Reefing is just like cooking, all the ingredients have to be just right , except you don't have to bring the water to a BOIL...
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