I just used clonex on 3 clones and this powder i bought at home depot for 3 to compare for my self. I ran a set of 4 clones all powder the first time around and they all rooted in 8-10 days. This time around, my 5 dollar rooting powder from home depot rooted all three that i put it on. The 44 dollar clomex gel i tried for the first time rooted 2 (rotted the stem on one of those and it barely made it) and the other didnt make it because the stem completely rotted away. Im sticking with my 5 dollar rooting powder from home depot for this reason. Maybe ill give the clonex away or somethimg before it goes bad...help someone else out.