I use big bud but find that AN codes the expiration date and that really pisses me off, I really feel like spending 100+ dollars on a bottle of shit thats been sitting on the shelf for 1.5 years with a shelf life of 2 years. having said that I've recently moved to hammerhead because I'm trying to run plants at different stages on the same res and big bud and other additivex call to be used in certain weeks. But I did use big bud and b52 my first grow and really really liked the big bud because it lived up to its name, if theres any AN products you want to use they would be big bud and b42 in my opinion.