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On order

GHL Maintenance-Kit Oxygen-Sensor (PL-0555)

127,90
Maintenance and repair kit for oxygen sensors. Maintenance may become necessary in the event of a defective membrane, bad
On order

PROFLORA CO2 Calibration Set

15,95
The JBL Proflora CO2 Calibration Set is a complete electrode calibration kit for pH. This Aquarium CO2 accessory is a
On order

GHL PL-CALI 1.41ms (PL-0059)

12,95
Conductivity of the calibration fluid 1.41 ms / cm, 50 ml.

GHL PL-CALI 220MV (PL-0072)

12,95
 220MV redox calibration liquid, 50 ml.

GHL PL-CALI 50ms (PL-0073)

12,95
Calibration fluid conductivity 50 ms / cm, 50 ml.

GHL PL-CALI PH4 (PL-0074)

11,95
Calibration solution of pH 4 for pH probe. Permet to calibrate the measurement of pH in fresh water as in

GHL PL-CALI PH7 (PL-0075)

11,95
Calibration solution of pH 7 for pH probe. Permet to calibrate the measurement of pH in fresh water as in

GHL PL-CALI PH9 (PL-0076)

11,95
Calibration solution of pH 9 for pH probe. Permet to calibrate the measurement of pH in fresh water as in

Maintenance solution will be KCI 100 ml

8,45
For pH electrodes the maintenance solution will be KCI for maintenance of pH electrodes avoid excessive wear and assures