I want to start a discussion about iron and micro dosing. The goal here is to get some real data about what works and what doesn't. It's my hope that we can come up with some real hard solutions to this perplexing little "mystery".
I know I'm not the only one that feels like theres no real substance to micro dosing.
Macros for the most part have been real simple. 10ppm nitrates, 1ppm phosphate, 10-30ppm potassium, simple right. Maintain a 10-1 ratio of nitrate to phosphate and alls well. Plus there's lots of room to experiment with fairly quick consequences when deviating from these parameters, which makes it fairly easy to determine cause and effect. Not so with micros. It can take weeks for plants to respond to micros.
Here's some thoughts or questions we might want to discuss:
Are iron tests really useless?
What about the Lamotte/Hach iron tests.
Do we need more iron than Plantex CSM+B offers? If so how much more?
Anyone using Iron Chelate 10% from GregWatson.com? If so, Whats your experience?
Whats your experience for dosing maximum color?
How much is too much micros?
Any other thoughts that would be relevant are also welcome.
I'd like to confine this discussion to planted tank enthusiasts who have something to offer in the way of real experience in this area.
Please don't post general questions about micro dosing in this thread.
Let the discussion begin.
Marcel | 
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