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especially for water cooling tools
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Blue Litmus Test Paper Acid Indicator 100 Strips auspowers_batchfour Why you choose usBlue Litmus Test Paper Acid Indicator 100 Strips Blue Litmus Paper is a P. H. tester for Acid with pH between 4. 3 6. 8. 100 strips per vial. Blue litmus paper turns red or pink for acidic solutions (pH values lower than 7 (Neutral). This is used in many science projects. Each strip measures approx . 25 inches x 1. 75 inches. Product Features Blue Litmus Paper are a P. H. testers for Acid 100 strips per vial pH 4. 3 6. 8
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