Hanna Instruments Hanna PH Kit for Hydroponics
$43.96 $54.95
Economical pH kit for all hydroponic growers. The Checker®1 is easy to calibrate, uses a replaceable pH electrode and works for 3000 hours before you have to change the batteries!
Kit includes:
• HI98103
• Hard Plastic Case
• Screwdriver for Calibration
• pH 7.01 and 4.01 Sachets
• Cleaning Solution Sachets