19 liter. The water capacity of Nongfu Spring vats 19 liter, about 38 kg, and the market price is about 46 yuan. The water capacity specifications of Nongfu Spring buckets are 4L, 5L, 1L, etc. Nongfu Spring water is characterized by good and stable water quality, unique natural mineral elements of Nongfu Spring, suitable for long-term drinking, and weakly alkaline water, which is beneficial to the acid-base balance in human body. Nongfu Spring mixes a variety of natural minerals and trace elements in different proportions, so that each bottle of water has a different layering and a better taste.