<p>Blue Litmus test papers, will turn red in acidic solutions, for use in education and industry.</p><ul><li>Supplied in 10 books of 20 strips.</li></

Blue Litmus test papers, will turn red in acidic solutions, for use in education and industry.

Product Code: HE1007861

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Range pH 8-5, colour change. 10 books each with 20 strips.

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