i have 3 AutoBerry under a 400w hps on 18/6 1 in soil and 2 in a flood and drain the one in soil seems to have had the hairs change color first it was about a week ago. 4 days after the ones in the flood and drain started turing aswell. will the trichomes still change color? after the hairs starts to change color then how long does it take b4 harvest