Hanna Instruments HI98115 GroLine Hydroponics pH Tester (0.01 Resolution) bulk a warning icon appears on

a warning icon appears on the Hydro-X controller’s LCD

Made of waterproof and marine-grade components

Weight: 610 lbs

Hanna Instruments HI9813-61 Portable pH/EC/TDS/Temperature Meter with CAL Check™

The cloth junction supports stable measurements and can help maintain performance during regular use

Hanna Instruments HI98115 GroLine Hydroponics pH Tester (0.01 Resolution) bulk a warning icon appears onHanna Instruments HI98115 GroLine Hydroponics pH Tester (0. 01 Resolution) Fast pH Checks for Nutrient Solutions One Button Operation Replaceable Electrode Complete Kit Included The Hanna Instruments GroLine HI98115 is a compact, grower focused pH tester designed specifically for hydroponic nutrient solutions. Built for speed and simplicity, it delivers 0. 01 pH resolution with an easy one button operation, making it ideal for quick daily checks in