cali grow 4sensi star 1sanacruz cush 2silver haze

second medical grow 600w hps soil tiger bloom kool blom rihgt now they are a t one week flowereing some what scrog.here's a pic of small nugs of first harvest.. up date every week..let me know whet u all think.some advice as i go along

Are they that purple or is that just the photos?