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Home >> Monitoring and Test Equipment >> pH Testers and Monitors
Bluelab Combo Meter
New Bluelab Combo Meter
$295.00
BlueLab Guardian Monitor
Measures all three critical parameters to successful growth
$364.00
Bluelab PH Pen
New Bluelab pH Pen.
$107.00
Hanna Checker pH Tester
Checker pH Tester
Gardeners can give litmus paper the boot with the pocket-sized Checker pH Tester from Hanna! 
$39.95
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.
$17.50
Hanna Combo Waterproof Tester
Hanna pH/EC Combo WaterProof Tester
The Combo Waterproof Tester takes highly accurate readings of temperature, pH and TDS.
$198.95
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! 
$274.95
Hanna WaterProof pH Tester
Hanna WaterProof pH Tester
The Waterproof pH Tester has a durable casing to repel water and ensure long life.  
$109.95
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.
$5.95
Myron L Ultra PH Pen (PT2)
The most accurate and durable pH pen we have ever seen!
$144.95
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.
$7.50
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.
$171.00
Sunleaves Digital 4-Way Soil Meter
Test pH levels, environment sunlight intensity, moisture levels and temperature all with one tool.
$26.50
Trimeter by Nutradip
Trimeter by Nutradip
Nutradip Trimeter is a high-quality, easy-to-use meter that tests pH, TDS and nutrient temperature.
$233.95