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The HI981030 GroLine Soil pH Tester takes pH measurements directly in the soil.
The built-in probe offers an open reference junction, conical glass tip making it ideal for soil pH measurements. The soil pH tester has a ±0.2 pH accuracy range with an electrode specifically designed for spot-checking the pH of soil and soil slurries. When purchasing this item, customers will also receive all the necessary solutions and batteries- everything you need to get started measuring right away.