I am at my wit's end my plants have become progressively more yellow and stunted over my last 3 grows I have tried everything I can think of nothing is helping I check the Ph of my water my runoff and soil every watering I've flushed I've fed I've not fed I grow in soil and use a very weak solution of 10-15-10 during veg and only water during flower I've had roughly 15 very successful harvests my veg room I use 4- 250w cfl super bright day bulbs 24hour cycle and flower in a different location under 450w hps I'm new to this forum stuff so not sure how to post pics but I can email them I've read all about different problems and have tried a lot hope someone can help