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pH 4.01 Calibration Solution – 100ml – Aquamaster

$27.88 $22.30

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Categories :
  • Aquarium & Pond
  • Essential growers solution for use with all pH test meters & electrodes / probes requiring calibration. Manufactured & certified to National Institute of Standards and Technology (NIST) traceable standard ensures your equipment lasts longer and maintains accuracy.

    Please note: pH measuring equipment is always calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope) second.

    • Avoid cross-contamination, Do not return any used test liquid back into the main container to avoid contamination.
    • Decanter into a smaller plastic cup
    • Discard sample after use
    • Store in a cool dark place between 15-25 C
    • Store with lid secured tightly
    • Keep out of reach of children
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