Nutrients How long to use Cal-Mag

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White Widow, Mazar, Northern Lights, Blue Dream
I'm growing a Blue Dream (Photo) in Ocean Forest and use Advanced Nutrients base lineup of pH Perfect. The plant is 3 weeks into flower, looks great and buds stacking up very nicely.

I have been adding Cal-Mag to her nutes all along, but question if I should continue now that I'm 3 weeks into flower. Don't some growers continue to add Cal-Mag all along the grow deep into flower?

Based on the flower stage I see at the end of week 3, I predict she will be a 9 week flower plant. I see no signs of toxicity issues now, and as said, plant looks great. Didn't want to stop if there could be some benefit to continuing. If I cut out the cal-mag at perhaps week 6, will this be advisable?

bd 8 9.JPG
 
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Depends on how the girls look, too much cal/mag can cause P uptake issues. If things are looking good, I run till flush.
 
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