not trying to sway you, just showing you its not just humic acid. And to be honest, many many folks still swear by mammoth p. To each his own, eh? We all grow the herb different ways with stellar results, can't argue with anyone's success. That's why the cannabis industry is exploding with all kinds of nutes, additives, etc. When it can be so simple. lol, Both of those products are too high for me to change using URB, especially with the free sample to begin with. Not all have money to burn in growing our medicine. I like URB, you like TRIBUS. even steven, lmfao