Hydrion pH papers provide:
Direct reading pH paper with the widest range available in a single paper
Simple, single-color matching for all pH values
Clear and easy to match color separations
Accurate, repeatable readings with immediate response Hydrion Wide Range pH

Paper is a general purpose pH paper. Simply tear off a small strip of pH paper, dip it into the test solution, and then immediately compare the resulting color with the appropriate pH color chart.
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