These WaterPure test strips from BioMagic are cheap peace-of-mind and something you'll be thankful for having in your kit when you're unsure about how effective your water purification efforts have been.
These strips show parts-per-million contents of Hydrogen Peroxide in the water, ideal concentration for drinking water is between 5 and 10, up to 15 ppm.
It takes 2 seconds to dip one of these test strips in the treated water, it can then be colour matched against the included water quality chart.
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