Wild Colours natural dyes
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53. pH paper - 20 strips

Price:
£2.70

pH paper is used in dyeing to measure alkalinity or acidity. This is Universal pH paper (pH 1 to pH 11) supplied as a book of 20 strips; each strip is 1 cm wide by 6.5 cm long and is used once only. Each book has a colour comparison pH chart.


          
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