Aquatronica pH4 Calibration Fluid (3 x Single Use Pouch) - ACQ410-pH4Monitors & Control > Aquatronica > Accessorieshttp://www.charterhouse-aquatics.co.uk/catalog/aquatronica-ph4-calibration-fluid-single-use-pouch-p-2364.html<P>The <STRONG>pH4 calibration</STRONG> solution is used to calibrate the pH electrode. The pH4 solution is particularly suitable for the pH calibration of electrodes <STRONG>used in freshwater aquariums</STRONG>.</P>
<P>The pack contains 3 x single-dose, 25ml packets.</P>8.95upc2364Charterhouse AquaticsAquatronica pH4 Calibration Fluid (3 x Single Use Pouch) - ACQ410-pH40 out of 5
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