First time doing cookie kush barneys farm some issues at the start they are currently going into week 7 tomorrow and nugs are solid and frosty but just not happy with the size iv been feed using shogun and have had to treble dose as using rainwater to get right ppm have to switch to hard tap water now as all rain water is gone ffs any suggestions on getting them bigger in last couple of week they are in 15ltr autopot with airdome