Too much PK 13/14 will screw them up. That's usually used only a couple times during flowering as a supplement for the regular flowering nutes. Better would be to get some cannabis specific flowering nutes, like Fox Farm 3-part or Canna (many others too, just look around the boards) :thumbsup:
bigtopsfinn Reviewed by bigtopsfinn on . important flowering question !! this is my first grow and i used miracle grow potting soil (with 3 month feeding) the n.p.k is 24.8.16 i no this is not to good as i had a few problems with nute burn but i persisted and now there ok very bushy but now iv just put them in to flowering and was wondering if i can add some pk13/14 to boost up the p.k as i dont know if this will fuck them up please help me. Rating: 5