you might want to mix it a little stronger Than you think. You won't burn her she's just now getting really hungy and need food to fatten up. A little flushing inbetween veg and flower is good, just to wash out any build up.
I find what works the best for me is to continue feeding your plant veg nutes for the first 2-3 weeks of flower, that right you herd me striaght veg nutes and lot of them she will need it . On the 3rd week of flower feed them with 1/2 veg nutes mixed with 1/2 bloom. After that full bloom from week 4 on. This will keep your plants greener during flower and thus producing more buds. Check my Cinderella99 journal. I fed them veg nuts 4 week into flower and now they are on full bloom the past two weeks I have been feeding them1 and 1/2 times the reccomend dosage and they are getting so fat.