They are in what was sold as 5 gallon containers but am guessing they are around 3 gal or so. Botanicare pro blend, fulvic/humic, silica blast, cal mag, RO water around 900 ppm after mixed. 6.2-6.5 ph, around 6.5 ph run off. Just bought some Earth juice micro to add to the mix. I do have a small...