I've only used it once, because it was a free bag when it first came out. I had a 100% hatch rate and all I had to do was pour it in the tub and set it up. Very easy. But I don't think I'll be paying $14 for a bag, or whatever it is. Straight vermiculite has worked ok for me. I'm trying lone perlite this year with a clutch. As well as mixes.