Support from people like you helps us fight for safer, cleaner water. Whether you’re choosing a home filter or grabbing a bottle on the go, H2OScore helps you cut through the marketing and choose what’s truly clean.
With an H2OScore membership, you’ll get lab-tested insights, unbiased rankings, and real science—so you can choose the cleanest water for your body and home.
Eliminate filters that perform poorly in real-world testing.
Push manufacturers to meet higher purity standards.
Expose water bottle brands with hidden contaminants.
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