The HANNA Gro’Chek pH Stick Tester is fitted with an extra long and very sturdy pH electrode. The instrument itself is sealed against water and dust and features a protected LCD display and On/ Off switch. Calibration is manual at pH 7.
Popular in the hydroponics and greenhouse markets, HI 981408 is also suitable for swimming pools, rivers and lake measurements. Designed to be especially tough, it can be used to stir the solution being measured, if required.
• Shock-resistant casing is designed to float!
• Special pH electrode
• Large easy to read LCD
• Highly accurate
• 2000 hours of operation on 2 AA batteries (included)
• Warranty: 2-years (six months on electrode)
The HANNA pH Stick Tester ships complete with a pH electrode, pH 7 buffer solution, batteries and instructions.
Size: 14″ long
Instruction Manual – PDF format
To minimize clogging and provide longer life to the pH electrode, it is recommended to clean it at least once a month. Immerse the tip of the electrode in cleaning solution (HI 7061) for 30 minutes, then rinse it with tap water and recalibrate the meter.