4.00 pH Calibration Fluid

€6,00 Incl. tax
Article number: CAL4
Availability: In stock (46)
Delivery time: Ordered before 10.00pm, shipped the same day.
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pH Calibration Solution 4.01

Use this solution to calibrate your pH probe primarily when you will be using it in a low-pH application such as a calcium reactor. It is not usually used to calibrate your pH probe for use in your aquarium itself.

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