you can seriously feed your trees that peters and be just as well off, I was talking to someone the other day and they posted pics of their trees using the jacks classic and they were just as nice as anyone elses plants on this site I only used it for veg, and mine are 30 freakin inches in 30 days!!!! no bullshit!! search jacks classic in the forum and you will see the results Im talking about, or look at my thread w/ the pics........ then you tell me what you think!!