i vary amount of root and water, also water temp, as well style such as traditional prep, my jiggle method alteration, use a blender.
also considering if fresh root pulp, dry medium grind, instant powder ( haven't tried micronized yet) I have differences.
lastly i use different measures for different varieties. most of the GHK i go with a bit more root, tending to really enjoy the Hawaiian awa's effects. I'll use less of KWK offerings due to less preferred taste and less of Squanch, which is also a favorite and an aquired taste and very strong (potency). also tend to use less of BKH offerings, due to taste. eager to try n@h but like all others how i prep each will vary for me based on taste/flavor and strength/potency. and effect~