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@Growurownseed, ya, it's so dang easy. It's like kool-aid lol. It comes with a little scoop. 1 scoop per gallon. It does take a little time to mix it up, but I just mix it for about 3 minutes. If there's some not dissolved, I just leave it. It's very stable and lasts a long time in the package. Too easy.

@DEVS_GENETICS,thanks! All in genetics though, I think

@Kynareth, thanks! I wish I had started from the beginning here though. I was using a different journal, but this one feel much easier to use with all info displayed.