liquid pH test - accuracy 0.2

Easy-to-use, low-cost and economical working solution acidity test.

Pour the solution you are going to measure into the tube provided. Add a few drops of the indicator solution and dilute. Read the pH according to the color on the scale.


contains 30ml, enough for 150 measurements
pH range 5.6-7.4, reading accuracy 0.2

Economy class pH meter

pH meter with manual calibration.

range: pH 0.0-14.00
resolution: 0.1 pH
accuracy: 0.1 pH
calibration: manual, one point at a time
working conditions: temp. 0-50°C, humidity up to 95%
batteries: 3 pcs. LR44 1.5V / 700 hours of operation
dimensions: 150x30x24 mm / 85 g
DO NOT use distilled water for storage!
Large deviations (above 0.5 pH) may be due to the need for calibration, a dry electrode, or dead batteries.

Economy class EC-meter

EC-meter with manual calibration.


range: 0-20000 μS/cm
resolution: 100 μS/cm
accuracy: ±2%
calibration: manual, one point at a time
automatic temperature compensation
working conditions: temp. 0-50°C, humidity up to 95%
batteries: 4 pcs. LR44 1.5V / 350 hours of operation
dimensions: 150 x 30 x 24 mm / 85 g

Short description:

• Measures in the range of 0.0 to 14.00 pH with ± 0.1 accuracy.
• Waterproof housing with IP65 and replaceable electrode.
• Over 1500 hours of battery life.

Short description:

• Range: 0.00–10.00 mS/cm, suitable for hydroponics.
• Automatic temperature compensation for accurate measurements.
• Replaceable electrode and long battery life (up to 250 hours).

Short description:

• Compatible with Milwaukee pH51 & pH54 testers.
• Easy slide and screw installation.
• Provides precise pH and temperature measurement.

Bluelab pH Pen is the best device on the market when speaking about measuring the pH and temperature of a nutrient solution!

• Fully waterproof
• 1 year warantee

Measurement range:

• pH: 0.0 - 14.0
• temperature: 0 - 50°C / 32 - 122°F

Accuracy (at 25°C / 77°F):

• pH: ± 0.1

Bluelab Conductivity Pen the best device on the market when speaking about measuring the conductivity and temperature of a nutrient solution!

• Fully waterproof
• 1 year warantee

Measurement range:

• EC: 0.0 - 10.0
• ppm 500 (EC x 500): 0 - 5000TDS
• ppm 700 (EC x 700): 0 - 7000ppm
• temperature: 0 - 50°C / 32 - 122°F

Accuracy (at 25°C / 77°F):

• EC: ± 0.1
• ppm 500 (EC x 500): ± 50TDS
• ppm 700 (EC x 700): ± 70ppm 
• temperature: ±1°C / ± 2°F

Bluelab Soil pH pen measures the pH and temperature of soils and other media. With this smart tool you can be sure that the right nutrients will be provided to your plants. It can also measure the pH of liquids.

• Direct pH measurements into soil / media.
• Selectable units for C° and F°.
• Backlit LCD display.
• Successful pH calibration indicator.
• Hold reading function
• Low battery indicator.
• Automatic shut-off function.
• Fully waterproof!

measurement range:

• pH: 0.0 - 14.0
• temperature: 0 - 50°C / 32 - 122°F

accuracy (at 25°C / 77°F):

• pH: ± 0.1

Milwaukee EC meter CD60

professional EC-meter

Professional Waterproof EC-meter with temperature display, automatic temperature compensation and automatic calibration.

Shows EC or PPM; plus the temperature of the solution.

Function "HOLD" to save the measured value.

Replaceable sensor.