Micro Essential 193, Insta-Chek Wide Range Comparator, Standard, 0-13 pH Range (Pack of 10) auspowers_batchtwo Make it clear that the

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Micro Essential 193, Insta-Chek Wide Range Comparator, Standard, 0-13 pH Range (Pack of 10) auspowers_batchtwo Make it clear that theMicro Essential 193, Insta Chek Wide Range Comparator, Standard, 0 13 pH Range (Pack of 10) Micro Essential 193, Insta Chek Wide Range Comparator, Standard, 0 13 pH Range (Pack of 10) Product Features Simple, easy color match for all pH values 3109D15 Test Paper for replacement is furnished in package of 5 rolls A direct reading pH paper with the widest range available in a single paper; color change for each 1. 0 pH unit General purpose pH test paper