ʻO ka potassium humate kahi paʻakai potassium kiʻekiʻe o ka humic acid i lawe ʻia mai ka leonardite kiʻekiʻe maoli. ʻO ia o ka flake aniani ʻeleʻele, ka pauka a me ke aniani, me ka solubility kiʻekiʻe o ka wai a me ka hiki o ka wai anti-paʻakikī. He mea ʻawaʻawa ʻole, maikaʻi ʻole a kūpono hoʻi no ka mahiʻai ʻōmaʻomaʻo a kūpono no ka mahiʻai meaola. Hiki ke hoʻopili ʻia no nā mea mahiʻai a me nā mea kanu hortikultural, nā lāʻau hua, nā mea kanu hoʻonaninani, nā wahi hānai no ka lepo a me nā lau a me ka hoʻoulu wai.