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Thread: KH and plants
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post #3 of (permalink) Old 04-18-2012, 12:29 AM Thread Starter
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Originally Posted by ray-the-pilot View Post
I don't believe that anyone really has 0 KH because the pH of water with 0 KH would be about 4.3. I suspect that your KH is below the test limit of the test you are using. Anyway, I have no experience using such low KH water. I mix my RO with tap to get 4 deg KH.
now the real question is what if the KH was 0, how will the effect the co2 and plants. i know my test kit cannot messure lower than 6.0 PH, but API test kit for KH always change color with 1 drop. am sure KH levels are almost 0, because am using 100% RO.
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