How many ppm of CalMag does everyone add to their water for coco? When I add the suggested amount of CalMagic to my water it is really high, Almost 500ppm. I would always add less and I am afraid my plants may be suffering from it.
Grow Mediums CalMag ppm?
- Thread starter BigD1128
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120-150 ish...calmag +
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Use what ever your Ec. is after Ca-Mg is added as zero then add your NPK to "normal" tds.
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