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    JUST Water Review

    JUST Water is a U.S. spring water packaged in a paper-based carton with a plant-based cap, designed to dramatically reduce plastic use.

    Source
    Glens Falls municipal spring source, upstate New York
    Origin
    Glens Falls, New York, USA
    Packaging
    Paper-based carton (FSC-certified paperboard, ~82% renewable materials) with plant-based cap

    Taste review

    Clean, neutral and lightly mineral with a soft finish.

    Mineral & nutrition profile

    TDS~120 mg/L
    Calcium20 mg/L
    Magnesium5 mg/L
    Sodium3 mg/L
    pH8.0

    Values from manufacturer-published water analysis. Source

    Pros

    • Carton packaging significantly reduces plastic
    • Naturally alkaline pH
    • Co-founded by Will and Jaden Smith — strong brand visibility

    Cons

    • Cartons still contain a thin plastic liner
    • Limited bottle sizes

    Best for

    Sustainability-focused consumers, schools, offices

    How it compares

    vs Flow

    Carton peer; Canadian naturally alkaline spring water.

    vs Boxed Water

    Carton competitor; purified rather than spring.

    vs Proud Source

    Aluminum alternative for plastic-free packaging.

    Related reading

    Final verdict

    JUST is a credible plastic-reduction choice with a real spring source and mild alkalinity.

    Frequently asked questions

    Is JUST Water actually plastic-free?

    No — the carton has a thin polyethylene liner and a plant-based plastic cap, but overall plastic use is much lower than PET bottles.

    Where does JUST Water come from?

    From a spring source in Glens Falls, New York.

    Last verified: 2026-05View official source Editorial standards

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