canna boost and finishing times

stonedpixie

Well-Known Member
Hey all, I'm currently doing a grow of blue hash and the widow. I'm using canna coco+, a and b, and when I put them into flowering will be using pk 13/14 and boost. My question is, it may sound daft, but do you add boost to the nutrient solution, or just to water and add it after a and b? Also, I understand most people use pk in the 5th week of flowering, but as I've heard boost lowers flowering time by a week, does this mean I actually add pk in week 4 not 5? Is there any benefit to using pk from when flowers start developing? Only using 9mls each time I water for a week sounds like the bottle will last ages!
 
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