JBL ProFlora CO2 Calibration, 3 x 50ml, Green

Size: 50 ml Highlights: Professional use of pH electrodes for aquariums: complete set for calibration Easy to use: fill calibration solutions into cuvettes. Immerse pH electrode in calibration solutions according to instructions and rinse afterwards pH electrodes need to be readjusted (calibrated) every 30 - max. 60 days. To do this, they are immersed in calibration liquids with a given pH value and the device then readjusts itself Only 5-10 ml calibration liquid is needed per calibration procedure. Then rinse with distilled water (included in the set) Package contents: calibration set for pH electrodes, incl. calibration solution pH 7 and pH 4 (50 ml each), distilled water for rinsing (50 ml), 3 cuvettes