Flowering Ratios

I use an organic fertilizer with an NPK ratio of 2-7-2 during the first 5 weeks of flowering then switch to a product called "Full Bloom" (0-10-10) for a couple of weeks before I begin flushing the plants. Works wonders.
 
i like that. have you had any deficiencies or toxicities? i want to get as much P as i can get but i dont want to cause problems.
 
I only feed them every other watering. I find less is more, at least with the strains I'm growing. When I feed them straight water, I occasionally spike it with a little vitamin B1. Also, I always use worm castings in my soil mix to prevent calcium or magnesium deficiencies.
 
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