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Home >> Monitoring and Test Equipment >> pH Testers and Monitors
Bluelab Combo Meter
New Bluelab Combo Meter
BlueLab Guardian Monitor
Measures all three critical parameters to successful growth
Bluelab pH Controller
pH has never been easier!
Bluelab PH Pen
New Bluelab pH Pen.
Bluelab Probe Care Kit - pH
Probe cleaning is one of the most important parts of owning a meter!
Bluelab Soil pH Pen
Test Soil Quickly & Accurately!
Hanna Checker pH Tester
Checker pH Tester
Gardeners can give litmus paper the boot with the pocket-sized Checker pH Tester from Hanna! 
General Hydroponics pH Control Kit
General Hydroponics pH Control Kit
Contains Ph Up - 8 oz., Ph Down - 8 oz., and Ph Test Vial, and pH Test Indicator Solution.
Hanna Combo Waterproof Tester
Hanna pH/EC Combo WaterProof Tester
The Combo Waterproof Tester takes highly accurate readings of temperature, pH and TDS.
Hanna pH/EC/TDS Meter
Hanna pH/EC/TDS Meter
The pH-EC-TDS (PET) Meter combines three testers in one unit on a 3' cable. TOP QUALITY! 
Hanna WaterProof pH Tester
Hanna WaterProof pH Tester
The Waterproof pH Tester has a durable casing to repel water and ensure long life.  
Hydrion Papers pH Test Papers
Hydrion pH Test Papers
A 15" roll of pH test paper in a plastic holder. Measures a range of 4-9.
Myron L Ultra PH Pen (PT2)
The most accurate and durable pH pen we have ever seen!
General Hydroponics pH Test Indicator
pH Test Kit
The pH Test Kit is a liquid tester that covers a pH range of 4.0 to 8.5. Makes testing easy & reliable.
Smart pH Controller
Smart pH Controller
Features a 0-14.0 pH range, a set point range between 5.5 and 9.5 pH, and +/-0.2 accuracy.
Sunleaves Digital 4-Way Soil Meter
Test pH levels, environment sunlight intensity, moisture levels and temperature all with one tool.
Trimeter by Nutradip
Trimeter by Nutradip
Nutradip Trimeter is a high-quality, easy-to-use meter that tests pH, TDS and nutrient temperature.