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Old 01-15-2008, 02:50 AM   #1 (permalink)
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Default Re: How to balance NPK, Ca, Mg and micros - new experiments
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As you suggested: Ca = 32, Mg = 8, Na = max. 5, NO3 = 5, PO4 = 0.2..0.5, K approx. 30 ppm, Cl = 5,
Do you keep these paramers in your tank now or do you use tap water with 67 ppm Ca and 20 ppm Mg ?

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Some old leaves died off ( turn yellow, with brown spot)
This may be a sign of K or manganese deficieny. If you haven't dosed enough potassium so far (less than 10 ppm a week), you shoud do it now. Wrinkled leaves can also be caused by lack of K.
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Old 01-15-2008, 08:37 PM   #2 (permalink)
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Default Re: How to balance NPK, Ca, Mg and micros - new experiments
i just use tap water for my tank. I replace water tank every week.

I am dosing with EI method, I never test my water paramenter for K and PO4 because i think i have more than enough. Maybe i was wrong, I will overdose a little bit.
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