Hanna Instruments GroLine Hydroponics pH Tester HI98115 water measuring tool Hanna buffers are specially formulated

Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle

7“) Weight 68 g (2

Built-in water level indicator

Both the four burner and eight burner units feature a two stage safety pilot valve

Renewable junction to clear any clogging that causes readings to drift and be erratic

Hanna Instruments GroLine Hydroponics pH Tester HI98115 water measuring tool Hanna buffers are specially formulatedThe HI98115 GroLine Hydroponics pH tester has been designed with many advanced features that are found typically in more expensive portable instrumentation. These features include automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off. Features at a glance: Economical The HI98115 is a full featured pH tester at a price that anyone