From what I hear Dr. Hornsby isn't really promoting their product. The only product his name is on that Green Planet sells is the Medi One, which I still haven't figured out what it does, and for $40 for a quart I don't wanna buy it until I get better info on it. Also, I heard is that Green Planet paid Dr. Hornsby to use his name on the Medi One, and that he didn't have to promote it, it was just to use his name, and once they did that they just kind of let people believe he backs them. So I hear from the people at the hydro store. So far I have used quite a bit of their line and I don't have any real complaints. I think it works really well, it's very simple, decent price too. The only complaint I have, which isn't a real complaint is that when using their Liquid W8 and Massive in DWC Bubble buckets I always get slime on the roots. When I used it in an NFT system I got some slime towards the end but it didn't have any effect on the product. The past three go arounds with the buckets maybe a week into the 12/12 cycle horrible slime was present and pretty much killed everything. I asked the hydro people if the nutes could be causing the problem, and they all said no. They said it's from temps and a few other things. This last go around, I experimented. I did everything the same exact way, but I left out the Liquid W8 and Massive and miraculously no slime at all. Roots are white as can be. I added those nutrients to the water and no more than a week later.....presto....slime. One to two times is a coincidence, four times, to me, shows some sort of proof.
Massive and Liquid W8 in Bubble Buckets = root slime
Massive and Liquid W8 in NFT system = Awesome results