Our carefully sourced, additive-free water is the perfect way to hydrate and rehydrate anytime, anywhere. Naturally filtered: MTN WTR is additive free and naturally purified through 300m (984ft) of Mt Fuji's volcanic rocks with a TDS of 70. Naturally alkaline: MTN WTR is pure spring water, naturally alkaline, with a pH of 8.6 or higher for a refreshingly smooth taste.