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| Forums > Marijuana Growing > Nutrients and Fertilizers > Question about Cal-Mag? | ||
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#1 |
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Gardener
Join Date: Jul 2009
Location: On the Lake
Posts: 514
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Question about Cal-Mag?
Is it possible to foliar with botanicare Cal-Mag. If so how much should I use. Is this an effective way to use this product?
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#2 |
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Even in Arcadia I exist
Join Date: Jun 2009
Location: In the flesh
Posts: 1,419
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I've foliar-sprayed with it and had some issues on some NL X Sk plants.
Nothing major but a little bit of tip burn and some spotting in spite of the fact the plants are very fert tolerant. I've had better luck with an organic Cal/Mag supplement and/or lime. May I ask what issue(s) you're trying to resolve? Cal Mag deficiency? Have you confirmed the source of the issue? Just thought I'd ask . . . Are you in soil, or is this in your 1000W multi-bucket grow? The foliar didn't kill my plants, and they didn't get stunted. I'll post back with how much I used, I have it in my journal somewhere . . .
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#3 |
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Senior Member
Join Date: Oct 2009
Posts: 2,090
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Ive yet to foliar feed with Cal/Mag, but I have foliar fed with veg nutes before. Stick with 1/6 to 1/8th to avoid any burning. I first tried it at 1/4th and got burn.
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