The Planted Tank Forum - View Single Post - Potassium reference solution
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post #13 of (permalink) Old 07-14-2016, 05:06 PM
nilocg
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Quote:
Originally Posted by Solcielo lawrencia View Post
I've never used FlowGrow but the ratios look very wrong. The form of chelator also plays a large role in its availability. Weak chelators or unchelated metals will result in the metals' quick oxidation and precipitation, especially at higher pH. Thus, it needs to be dosed more frequently.

All I can say now is that micronutrient ratios matter more than the absolute dose. If the ratios are off, more needs to be added to supply enough of the relatively low metal to prevent its deficiency or it's induced deficiency. However, this just causes there to be excess of the high metal(s) which can cause toxicity. Some of that excess will be used by algae and other microbes but the rest will remain causing problems.

Do you have a list of these ratios that you feel are important?
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