I have a Barney's Pineapple Clone thats' 13wks into flower, pistils are just starting to fade, trichomes to 95% cloudy but no amber, last time given notes, 4/27/16, last time given ph'd water 5/20/16. I want to wait until I at least see 15-20% amber trichomes. I harvested the mother at 12wks...