I did fox farm for my first grow and it was pretty crappy. I used all the stuff the soil, the grow big the big bloom nd the other one... I sent them into flowering a little early so of course my buds were a bit small, but the leaves are what worried me. They looked all yellow and fried. Like there ass too much bytes, I know I did exactly the proportions that the bottle said. So if your gonna use it I would go easy. Try starting small at first and keep a close eye on the leaves. Also u could try a co2. Bucket or tank or bag to help keep em healthy.