pH & EC Calibration Solutions

Calibration and care products help maintain pH and conductivity meters. This collection includes buffer solutions, KCL storage fluid and selected care kits for compatible probes and pens.

Match the solution value and volume to your meter's instructions. Use fresh, uncontaminated fluid and store probes as directed to support reliable readings.

pH & EC Calibration Solutions collection artwork
  • Bluelab PH & EC Care KitBluelab PH & EC Care Kit
    Bluelab PH & EC Care Kit
    Bluelab

    Bluelab PH & EC Care Kit

    £22.95
    £22.95

    PH & EC CARE KIT by BLUELAB  Care, hydration and calibration – in one kitMaintaining your Bluelab pH and conductivity probesTo ensure ongoing accuracy and longevity, we...
  • Bluelab KCL Storage Solution (100ml) – Official Hydration Fluid for pH Meter Probes and PensBluelab KCL Storage Solution (100ml) – Official Hydration Fluid for pH Meter Probes and Pens
    Bluelab KCL Storage Solution (100ml) – Official Hydration Fluid for pH Meter Probes and Pens
    Bluelab

    Bluelab KCL Storage Solution (100ml) – Official Hydration Fluid for pH Meter Probes and Pens

    £13.95
    £13.95
    £139.50 l

    Bluelab KCL Storage Solution: Preserving Precision for Your pH Meter Keep your diagnostic tools in peak condition with the official Bluelab KCL Storage Solution. Your pH...
  • Bluelab EC Care Kit | Conductivity Probe Cleaning & TestingBluelab EC Care Kit | Conductivity Probe Cleaning & Testing
    Bluelab EC Care Kit | Conductivity Probe Cleaning & Testing
    Bluelab

    Bluelab EC Care Kit | Conductivity Probe Cleaning & Testing

    £15.95
    £15.95

    The Bluelab EC Care Kit contains the supplies needed to clean compatible conductivity probes and check their readings against 2.77 EC standard solution.Kit contents Probe care...
  • Bluelab PH Care KitBluelab PH Care Kit
    Bluelab PH Care Kit
    Bluelab

    Bluelab PH Care Kit

    £19.99
    £19.99

    pH CARE KIT by BLUELAB Care, hydration and calibration – in one kit! Maintaining your Bluelab pH probes To ensure ongoing accuracy and longevity, we recommend...
  • Essentials LAB Buffer pH 7 calibration solution bottles for accurate pH meter calibrationGardener calibrating a pH meter with Essentials LAB Buffer pH 7 solution in a greenhouse
    Essentials LAB Buffer pH 7 calibration solution bottles for accurate pH meter calibrationGardener calibrating a pH meter with Essentials LAB Buffer pH 7 solution in a greenhouse
    Essentials LAB Buffer pH 7 1L solution for pH meter calibrationGardener calibrating a pH meter with Essentials LAB Buffer pH 7 solution in a greenhouse
    ESSENTIAL LAB

    Essentials LAB pH Buffer 7 Calibration Solution

    £3.95
    £3.95 £0.00
    £15.80 l

    Essentials LAB pH Buffer 7 for pH meter calibration Essentials LAB pH Buffer 7 is a calibration solution that provides a pH 7 reference point for...

    Size: 250ML
  • Essentials LAB Buffer pH 4 calibration solution in small and 1L bottles for pH meter calibrationGardener calibrating a pH meter with Essentials LAB Buffer pH 4 calibration solution in a greenhouse
    Essentials LAB Buffer pH 4 calibration solution in small and 1L bottles for pH meter calibrationGardener calibrating a pH meter with Essentials LAB Buffer pH 4 calibration solution in a greenhouse
    Essentials LAB Buffer pH 4 1L solution for accurate pH meter calibrationGardener calibrating a pH meter with Essentials LAB Buffer pH 4 calibration solution in a greenhouse
    ESSENTIAL LAB

    Essentials LAB pH Buffer 4 Calibration Solution

    £3.95
    £3.95 £3.95
    £15.80 l

    Essentials LAB pH Buffer 4 is a calibration solution for compatible pH meters. Regular calibration helps keep readings dependable when checking the pH of nutrient solutions....

    Size: 250ML
  • Essentials Lab EC Calibration Fluid 2.8mS | CF 28 Buffer Solution
    ESSENTIAL LAB

    Essentials Lab EC Calibration Fluid 2.8mS | CF 28 Buffer Solution

    £3.75
    £3.75 £2.95
    £15.00 l

    The EC level of your nutrient solution will influence your plants ability to absorb water. If the EC is too high, the roots cannot bring in...

    Size: 250ML