"KB is a highly concentrated additive." (not a fertilizer) It's a late-stage bulking agent and resin-inducing formula. (supposedly) Are you using hydroponics in some form, or are you in soil?

It's high in phosphates and a sulfide, I believe. Each of which lowers your water ph. Do not double the mfgr's recommended rate. Doing so will kill your ladies.

Here's a weekly General Hydroponics feeding schedule:
http://www.planetnatural.com/planetn...feed-chart.pdf

You're gonna need nutrients.