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Don't know about the calmag issue. The micro does pack a lot of calcium in it. I've been running ebb and flow and coco with no problems, in fact...
No it's legit. They send you 3 8oz of the bloom,micro,grow and a clone gel. Check out their fb page - lots people getting samples - Hydroponix |...
I'm just trying out some X Nutrients samples and they have been working out very well - suprised at the results. I'll post some pix later. BTW,...
I'm taking a poll on the best tool, construction, apparatus, etc that you've made and wished you could have bought it since it works so good....