@hank i was recommended it by a lot of growers and quit a few from the Netherlands so i decided to try it. IMO its awesome and so do all the growers who recommended it!! Its an all in one so no mixing of 4/5 bottles and ive had the most frostiest and stickiest bud since using it. It works really well for me and now better since i got a "supermode" schedule from the testers. I love it!!