I have some Grand Daddy Purple 3 weeks into flowering. pH is 5.8, ppm is roughly 800. Initially I thought it may be underfert but I'm really not sure. I am using Advanced Nutrient's Micro, Grow, Bloom at 2/3 strength, CalMag, Big Bud, Vitamin B-1, Bud Candy, Carbo Load, and Drip Clean. I've...