pH & EC Control

VitaLink ESSENTIALS CF Calibration Fluid 2.8 µS/cm 250ml is a buffered solution / calibration fluid for devices measuring electrical conductivity (EC).

• accuracy: ±0.01 EC
• value: 2.8 µS/cm at 25°C
• volume: 250 ml
• for multiple calibration

The Bluelab Leap pH Probe is a replacement pH probe for the Bluelab Multimedia pH Meter or the Bluelab Combo Meter . The probe allows you to measure pH directly in the root zone , regardless of the growing medium - soil , expanded clay , coco , mineral wool or nutrient solution .

• The probe tip is made of durable tempered glass, allowing for quick measurements in any environment!
• completely waterproof
• fast and accurate measurements
• warranty: 6 months

Use with the included KCl storage cap to extend the life of the probe!

Quickly and consistently measure moisture, nutrient levels (measured by electrical conductivity) and temperature directly in the root zone. The Bluelab Pulse Meter connects directly to your smartphone via the Pulse app for automated data collection, measurement comparison, storage and export.

Download the Pulse app for Android (version 5.1 and up) here!

• Measures electrical conductivity , humidity and temperature
• Probe length 20cm
• Length of the entire device 50cm
• Minimum pot size 2l.
• Android version 5.1 and above
• Bluetooth version 4.0 and above
• iOS 12.1+ (iPhone only)
• 1 x AA alkaline battery
• 1 year warranty

The Bluelab Pulse Meter allows you to take your measurements regardless of the type of growing medium - soil, coco, mineral wool. Measuring, comparing and correcting data is now faster than ever. Achieve better yields, reduce shrinkage and grow healthier plants!

The Milwaukee MA887 is a high-quality digital refractometer specifically designed for accurate salinity measurements in marine and artificial seawater. Combining precision, speed and ease of use, this instrument is ideal for aquarists, aquaculturists and laboratories.

Milwaukee pH 4.01 230 ml buffered solution / pH meter calibration fluid. Calibrating your pH meter is a simple procedure for optimal performance and should be performed whenever your meter's measurements seem questionable. Calibration should be performed at least once a month !

• accuracy: ±0.01 pH
• value: 4.01 pH at 25°C
• volume: 230 ml

Milwaukee calibration fluids are designed to help you achieve reliable and repeatable pH measurements while extending the life of your instrument .

Milwaukee pH 7.01 230 ml buffered solution / pH meter calibration fluid. Calibrating your pH meter is a simple procedure for optimal performance and should be performed whenever your meter's measurements seem questionable. Calibration should be performed at least once a month !

• accuracy: ±0.01 pH
• value: 7.01 pH at 25°C
• volume: 230 ml

Milwaukee calibration fluids are designed to help you achieve reliable and repeatable pH measurements while extending the life of your instrument .

GHE pH test kit 60ml - the classical liquid pH tester.

• fast, reliable, accurate pH testing without batteries
• range of testing: from 4.0 to 8.5
• up to 1000 tests