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GroChek pH Tester

Hydroponics is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite, gravel, mineral wool, or coconut husk
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$120.94
Manufacturer: Hanna Instruments
SKU: HI981408
Delivery date Usually ships within 3 days
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Sturdy and waterproof. It also floats so that it can be quickly retrieved if accidentally dropped in the tank.


The meter will run for 2000 hours continuously on common AA-type batteries (included). Calibration has been simplified to one-point through dial on the front of the meter. The outer casing also incorporates a molded eye so you can hang the meter when not in use.



  • Shock Resistant Casing

  • Water Resistant Housing

  • Replaceable Electrode

Sturdy and waterproof. It also floats so that it can be quickly retrieved if accidentally dropped in the tank.


The meter will run for 2000 hours continuously on common AA-type batteries (included). Calibration has been simplified to one-point through dial on the front of the meter. The outer casing also incorporates a molded eye so you can hang the meter when not in use.



  • Shock Resistant Casing

  • Water Resistant Housing

  • Replaceable Electrode