I did some reading and I think I have figured out what's been happening with my maxi grow and bloom precipitation issues. GH's calimagic uses calcium carbonate and magnesium sulfate to supply calcium and magnesium. They use calcium carbonate because calcium nitrate is incompatible with maxi grow and bloom. I've been using calcium nitrate for the last 6 months and I used a gallon of botanicaire's cal-mag before that. Calcium nitrate is the calcium source in cal-mag. If I had used GH's calimagic no precipitation would have formed. It appears I have been precipitating calcium phosphate. Long story short if you're using a brand of fertilizer use only their products.
@rkymtnman you sir were absolutely correct. Operator error. Son-bitch. I really screwed the pooch on that one.
When mixing fertilizers, it is important to check fertilizer compatibility before application. If incompatible fertilizers are mixed, they form insoluble precipitations that can clog drip emitters and damage sprayers used to apply foliar fertilizers (Figure 1.). This article discusses a few scenario
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Scenario 1. A grower is using 20-20-20, a complete fertilizer to fertigate tomatoes. To prevent blossom end rot, he decided to add calcium nitrate in his fertigation program. However, problems may be caused by the application of these two fertilizers.
The reason is that calcium from calcium nitrate and phosphate from ammonium phosphate in the complete fertilizer may form calcium phosphate, which is insoluble in water.
Both ammonium and phosphate are present in maxi grow and bloom. Adding calcium nitrate precipitated calcium phosphate. Operator error at it's finest. However, I am very happy with my decision to move back to jack's. My plants have never looked greener or healthier and the cost savings is outstanding compared to maxi. I feel complete now that I've figured out what the issue has been. Calcium nitrate is not compatible with maxi grow or bloom.