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Thread: KH and plants
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Old 04-18-2012, 05:27 AM   #10
happi
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Quote:
Originally Posted by dr.tran View Post
No I don't mean less than 0. I mean 1< x >0. Less than 1 greater than 0 degrees of carbonate hardness. My test kit is accurate up to 1 degree. But I can't test in PPM which I suspect will give me a more accurate amount. Albeit a very low amount.
are you using 100% RO water??
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