I've been using Peters/Jack's fertilzer products for years for my house plants, and was pretty satisfied. I decided to try growing cannabis last year (legal in AZ), and used our product. Everything went well until the fungus gnats killed the plants. I tried again this year, using a special Jack's product, and adding steps to fight fungus gnats. The plants grew, but did not look that healthy green. I decided to try AgroThrive again, and what a difference it made in just a week or two! My plants a...