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4.00 Calibration Fluid

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{Description}
Neptune Apex 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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In stock for next working day delivery

Neptune Apex 4.00 Calibration Fluid - In Stock ONLY 29 LEFT AT THIS PRICE

Price: 2.19 (Including VAT at 20%)