Hanna Instruments Direct Soil Measurement pH Portable Meter - HI99121 pH 4.01 buffer solution Waterproof IP67 design – fully

Waterproof IP67 design – fully submersible and built for harsh environments

Professional Appearance: Black finish suitable for lab or field work

NU Aqua Reverse Osmosis Membrane Replacement

maintaining aquarium health

and dissolves existing scale buildup

Hanna Instruments Direct Soil Measurement pH Portable Meter - HI99121 pH 4.01 buffer solution Waterproof IP67 design – fullyDesigned to bring simplicity to pH testing of soil, the HI99121 Direct Soil pH Portable Meter is designed specifically for soil analysis. The specialized probe features a rugged conical tip, open junction design, and a glass body making it ideal for measuring the pH of soil directly or after preparation of a soil slurry with deionized water. 0. 02 pH accuracy Includes a plastic auger to break through harder soils. Specialized for the direct pH