KLN is a legit rooting agent but it's just that a hormone rooting agent, comparing it to Thrive Alive is apples to oranges. Just because they both have vitamin B in them doesn't mean they cant be used at the same time. Thrive Alive is primarily kelp and nutrients not rooting hormones. KLN is one of the only rooting agents that's upfront about its ingredients. It's a super versatile product too, dip cuttings in it and it roots clones, use it at as a foliar or root drench and it blows out your roots, couple it with a good microbe product and it rivals Roots Excelurator.
Last edited by BubbaBear; 11-02-2018 at 10:16 PM..