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Fish Tank Supplies > Fish Tank Testing Equipment > Fish Tank Test Kit > Electronic Aquarium Monitor > pH 4.0 Calibration Fluid

pH 4.0 Calibration Fluid

pH 4.0 Calibration Fluid  
Item #:207913
Availability:Usually ships in 2-3 business days
Price:$2.56


Pinpoint pH 4.000 high precision calibration solution for all pH meters. Accuracy: +0.002 at 77 degrees F (25 degrees C). Referenced to NIST standard materials.

Instructions:
Tear open top. Immerse probe into solution. Do not reuse the solution.

Ingredients:
Potassium hydrogen pthtalate, and water with antimicrobial added

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