Yes, it does matter. Raw mined humic will have 3 fractions (hopefully) 1 Fulvic, is soluble at all pHs and will be solublized into your tea. 2 Hulmic - alkaline soluble and can precipitate and turn ito a gel in the presence of acid, typically pH 6.0 and below. 3. Humin/Ulmic insoluble and found...