Penta is premium water that uses physics not chemistry to provide the purest water available. The patented 13 step 11 hour process removes all contaminants and impurities including arsenic, chromium-6, chlorine, fluoride, lead, MTBE, and trace pharmaceuticals.Penta is an ultra-pure product that is free from additives, pollution and impurities. Penta?s purpose is purity, taste, and hydration. Penta takes the time and steps to have the lowest total dissolved solids allowing for immediate hydration. Less than 1 part per million (ppm) total dissolved solids (TDS).Naturally occurring pH meaning we never add pH altering chemicals or additives to our water.Penta water is bottled in BPA & BPS free plastic bottles. The same grade plastic (PET1) is used for the bottle, label, & lid. This means that the entire bottle is 100% recyclable as one entity.Penta water is made in California and bottled by solar power using BPA and BPS free plastic.