Perfect keep a 321 out then my others in a closet. I kinda figured I'm overthinking it but hey isn't that what this sites for hahah also who's doesn't like a good bargain25lb bag of Jacks fills up exactly 3 of these from Dollar Tree
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I use these as well. I also make 1 gallon concentrates of Part A+Epsom and Part B, and just treat it like I'm using bottled nutes. It saves time feeding and you dont have to expose your salts to humid air as often. I just pour out 35ml/gallon of each jug and have a feed ready in a couple minutes.5 gal bucket and gamma lid.