Nynelly 15 Pack pH Meter Buffer Calibration Solution Powder for Precisely Calibrate pH Meter, pH Tester Calibration Powder Packets, pH 9.18/6.86/4.01

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Product description

  • High accuracy pH buffer calibration solution powder accuracy is 0.01pH. Suitable with most of electronic pH meter ph tester.
  • 15 pack pH calibration solution powder 5 packets of pH 4.01 solution powder, 5 packets of pH 6.86 solution powder, 5 packets of pH 9.18 solution powder. Cost-effective and flexible in use, to meet your various needs.
  • Easy to use Mix pH buffer powder with 250ML distilled water, put the pH meter into the solution, stir gently and wait for a few seconds to get the result. pH calibration powder allows you to test the pH of swimming pools, aquariums, water quickly and accurately with a pH meter.
  • High quality pH calibration powder is produced with quality material under strict conditions. Sealed by durable moisture-proof individual packet to maintain freshness until use.
  • Easy to carry and store Small size, easy to carry and store, very convenient. CAUTION Not a drinkable solution!

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