kush veg deficiency help

Hello all, Here's a quick rundown of what's up: Purple Kush (2 weeks old since cotyledons opened) in soil mix 50/50 FFHP+FFOF w/ 30% perlite. This girl has never been fed nutes other than what's in the soil. She was watered on 02/10/16 w/ distilled water 7.1 pH w/ runoff of 6.09 pH &...