Dear We have a single row of pH-test on May 25, 2015 from you and used until 2020 Our customer feedback about the accuracy for every pH-test this with every batch of pH-test before using limited 08/2019 + The difference in color of the box 2 pH-test + The accuracy of pH-test limited used 08/2019 more accurately when measuring with air, while the pH-test is used wrong a huge lêch 2020/01You view the attached files of photos from customers sent Please give us feedback on the status of the row because the stars have such a disparityLooking forward to feedback soon to help us so that we respond to client
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