Manganese used in EI?
The sites where I sourced micros back in the day are now carrying Mn in addition to CSM+B and Fe. Has this become part of EI? What does an Mn deficiency look like?
Any other traces I should be aware of? I'm planning to use CSM+B again, along with DTPE Fe for my 7.6 pH, 8 dGH, 6.7 dKH tapwater.
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Last edited by Rainer; 06-06-2019 at 03:07 PM.
Reason: refined the question