The Planted Tank Forum - View Single Post - EI dosing and I'm getting 0ppm Nitrates
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post #2 of (permalink) Old 03-24-2007, 09:52 PM
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1 ppm = 1 mg/L
30 ppm = 30 mg/L

It'll be hard to measure out 30mg unless you have an accurate scale, so get 3 grams of KNO3, put it in 1L of water to give you 3000ppm. Take out 10mL of that mixture and add enough water to make 1L total solution (so, add 990mL of RO water to the 10mL of the mixture).

Hope that helps.
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