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Do I need CalMag for growing with CocoCoir?
KevinCstarted grow question 4 years ago
Do I need CalMag for growing with CocoCoir?
I want to use:
Cococoir with perlite - 70/30 ratio
GHE Flora Trio (From previous grow)
GHE don't recommend to use CalMag what do you guys think?
https://www.eurohydro.com/calcium-magnesium-supplement
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Organomananswered grow question 4 years ago
Follow the instructions on the bottle! Cal/mag is really only needed in extra amounts during flowering. Obviously GHE have formulated their "grow" fertilizer with adequate cal/mag, hence why they say not to add any extra. Too much calcium can make your ph really fluctuate. Hope this helps.... Organoman.
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GMSgrowsanswered grow question 4 years ago
At some point you will need to add a little, but go easy when you do. 100 to 150 ppm 0.2 to 0.3 ec and only add when you see them starting to need a little. The ppm of cal/mg you add gets taken away from your other nutes so it keeps your ec feed level the same. Cheers
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