Photo 1 of QNCIGER pH Meter, pH Water Tester with 0-14 pH Measurement Range Portable 0.01 High Accuracy Pocket Size with for Hydroponics, Swimming Pools, Filtered Water Testing (Blue)

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Photo 1 of QNCIGER pH Meter, pH Water Tester with 0-14 pH Measurement Range Portable 0.01 High Accuracy Pocket Size with for Hydroponics, Swimming Pools, Filtered Water Testing (Blue)Photo 2 of QNCIGER pH Meter, pH Water Tester with 0-14 pH Measurement Range Portable 0.01 High Accuracy Pocket Size with for Hydroponics, Swimming Pools, Filtered Water Testing (Blue)