Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme PH6.86

pH Calibration Solution Buffer 4.00 6.86 9.18 – 50ml Reusable

PH6.86
$16.72
$16.72 $19.85
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Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme PH6.86
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme PH6.86
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme PH6.86
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme
  • Reusable 50 Ml Bottles Of PH 4.00 6.86 9.18 Calibration Solution PH Solution Buffer PH Meter Buffer Solution Meter Calibration Qme
pH Calibration Solution Buffer 4.00 6.86 9.18 – 50ml Reusable

pH Calibration Solution Buffer 4.00 6.86 9.18 – 50ml Reusable

$16.72
$16.72 $19.85
Color

Keep your pH meter accurate and reliable with this Reusable pH Calibration Solution Buffer Set. Designed for precise meter calibration across three essential pH reference points — 4.00, 6.86, and 9.18 — this 50ml solution set is perfect for home aquariums, hydroponic gardens, water quality testing, laboratories, and soil monitoring.

Each bottle delivers a stable, pre-measured buffer solution that makes calibrating your pH meter quick and straightforward. Simply rinse your electrode with purified water two to three times, then immerse it in the appropriate calibration solution to bring your meter into precise alignment. The reusable bottles help you conserve solution and reduce waste — as long as the solution remains uncontaminated, you can reuse it confidently.

Key Features

  • Three-point calibration: Includes pH 4.00, 6.86, and 9.18 reference buffer solutions for accurate, multi-point meter calibration
  • 50ml per bottle: Generous volume for repeated calibration sessions
  • Reusable bottles: Eco-friendly design — reuse as long as the solution stays uncontaminated
  • Ready to use: No mixing or dilution required; works straight out of the bottle
  • Wide compatibility: Suitable for most standard pH meters and electrodes
  • Available in 3 color options: Easily distinguish between buffer values at a glance
  • Versatile use cases: Ideal for aquariums, hydroponics, pool water testing, soil analysis, and lab use

How to Use

  1. Rinse your pH meter electrode with purified or distilled water 2–3 times.
  2. Immerse the electrode in the appropriate pH buffer solution (start with pH 7.00/6.86 for single-point, or begin at pH 4.00 for multi-point calibration).
  3. Allow the reading to stabilize, then adjust your meter according to the manufacturer's instructions.
  4. Rinse the electrode again before moving to the next buffer point or taking a sample measurement.
  5. Return unused solution to the bottle, cap securely, and store in a cool, dry place.

Specifications

  • Buffer Values: pH 4.00, 6.86, 9.18
  • Volume: 50ml per bottle
  • Bottle Type: Reusable
  • Compatible With: Standard pH meters and electrodes

For more information on water quality testing and pH measurement best practices, visit the U.S. Environmental Protection Agency – Water Topics.

Frequently Asked Questions

Q: What pH buffer solutions are included in this calibration set?

A: This calibration solution set includes three standard reference buffer values: pH 4.00, pH 6.86, and pH 9.18. These three points cover the full range needed for accurate multi-point pH meter calibration, making the set suitable for aquariums, hydroponics, pool testing, and laboratory applications.

Q: Can the pH calibration solution and bottles be reused?

A: Yes! Both the calibration solution and the bottles are designed to be reusable. As long as the solution has not been contaminated — for example, by inserting a dirty electrode or mixing with other substances — it can be safely returned to the bottle and used again. Always rinse your electrode with purified water before dipping it into any buffer solution to prevent cross-contamination.

Q: What types of pH meters is this calibration solution compatible with?

A: This buffer solution set is compatible with most standard pH meters and electrodes used in home, garden, aquarium, hydroponic, and laboratory settings. Simply check that your pH meter supports calibration at 4.00, 6.86, or 9.18 reference points — the vast majority of consumer and professional pH meters do.

Q: How should I store the pH calibration buffer solutions?

A: Store the bottles tightly capped in a cool, dry location away from direct sunlight and extreme temperatures. Proper storage helps maintain solution stability and accuracy for longer-term use. Avoid exposing the solutions to air for extended periods, as this can affect their buffer accuracy over time.

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