VIVOSUN Digital pH and TDS Meter Kits and 18-Pack pH Meter Buffer Solution Powder, pH 6.86/4.00/9.18, pH Buffer Powder for Precise and Easy pH Tester Calibration industrial_Aug2024_update with length of 7cm/2

with length of 7cm/2

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VIVOSUN Digital pH and TDS Meter Kits and 18-Pack pH Meter Buffer Solution Powder, pH 6.86/4.00/9.18, pH Buffer Powder for Precise and Easy pH Tester Calibration industrial_Aug2024_update with length of 7cm/2VIVOSUN Digital pH and TDS Meter Kits and 18 Pack pH Meter Buffer Solution Powder, pH 6. 86 4. 00 9. 18, pH Buffer Powder for Precise and Easy pH Tester Calibration Product Features Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools PH Meter: Full measurement range of pH 0 14, reliable and quick readings 3 in 1 TDS Meter: Measurement Range 0 9990ppm, 0 9990s cm; Accuracy 2%, 0. 1 80. 0C,