I've used it before. seems to kinda work.. i don't know!!

I worked at the local hydroponics store here in town last year and we had a regular customer who swore by it. He did hydroponic strawberries and said he liked it mainly for the color. and thats part of what terpines do for plants and vegetation, He used to buy it by the gallon!

it would be cool to do a side by side test using clones to see how much of a difference it makes in fact.