Description
Litmus paper on a reel in a plastic dispenser cartridge. Approx 5m of 6mm wide paper. pH test paper provides a rapid, accurate way of measuring pH. Just dip the test paper into the solution and compare the colour with the chart on the side of the dispenser. Full scale from pH 1 to pH 14.
A colour chart in steps of 1 pH is included on the side of the reel.
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