pH Meters, Pens & Test Kits
pH can be obtained using pH papers, or indicators which change color as the pH level varies. These indicators have limitations on their accuracy. More accurate pH measurements are obtained with a pH pen or meter.
Hanna pH/PPM Meter HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics and greenhouses.
The Bluelab pH Pen will quickly and accurately measure your hydroponic solution’s acid/ alkaline balance. Use to maximize plant nutrition and ensure optimum plant health, growth and yields.
Bluelab TDS Truncheon is a favourite nutrient meter! It has a super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED's and no on/off buttons to worry about.
Bluelab Guardian Monitor measures all three critical parameters for healthy plant growth; pH, conductivity and temperature.
Alfred Digital pH/Temperature Water Resistant Tester is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.
Hanna Battery for pH or PPM Pen sold each individually
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