Originally Posted by
Macky
Its a rare thing for me to use really, my background ec is 0.16. I start using it as a folia feed once a week, with a bit of silicone too, from about week three veg. In coco, youll see the cal/mag deficiency pop up around week four or five of veg I find, so prevent it by feeding from week three. Itll still show some signs later on, so just give them another blast if it does look a bit deficient again.
Of course as soon as flowers start to from stop the folia feeding. That works well for me, it real easy to over feed cal/mag, as its in your water already, so you have to be light with the dosage.
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