说明

• eighty Strips/pack pH check strip Full PH Meter PH Controller 1-14st Indicator Litmus Paper Water Soilsting Kit Home Tool Measurement Description Condition: 100 percent Brand New and High Quality Take accurate alkaline/acid checks with this pack of eighty Litmus paper strips Each ebook also encompasses a shade chart Specifications The scale reads from 1 to 14: 1 - 3 indicates a totally acidic substance 4 - 6 signifies an acidic substance 7 indicates neutral eight - 11 signifies alkalinity 12 - 14 signifies a very high point of alkalinity Package Included 1 x books containing 80 strips (80 strips in total)

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