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• eighty Strips/pack PH 1-14 Litmus Paper PH Tester Papers Universal Indicator Paper Test For Water Aquarium Home Tool Measurement Description Condition: 100% Brand New and High Quality Take correct alkaline/acid tests with this pack of eighty Litmus paper strips Each book also features a color chart Specifications The scale reads from 1 to 14: 1 - three indicates a completely acidic substance 4 - 6 indicates an acidic substance 7 indicates impartial eight - eleven signifies alkalinity 12 - 14 indicates a totally high point of alkalinity Package Included 1 x books containing eighty strips (80 strips in total)

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