pH Testing

Checker Electronic pH Tester

This electronic tester makes litmus paper a thing of the past! The lightweight, pocket-size pH tester gives fast and accurate pH readings on a large liquid crystal display. Accurate to ±0.2 pH and features a range from 0 to 14 pH with 0.01 read... More.

Waterproof Combo Tester

Offer high-accuracy pH, EC/TDS, and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo Tester (it even floats!) has a large easy-to-read, dual-level LCD, and ... More.

Replacement Electrode

For use with pHep&3174; waterproof pH/Temperature tester (C25081N). More.

Silage Surface pH Tester

Quick and easy pH testing for silage. Just scoop out a sample of silage, put on a flat surface, and touch the sensor to the top of the silage (do not push into the silage, touch the surface only). Batteries provide approximately 3,000 hours of continuou... More.

Big Scale pH Meter

A rugged, reliable instrument featuring a big 7" scale, continuous from 0-14 pH with ±0.1 accuracy, and an exclusive analytical polyethylene-shielded pH probe unit that eliminates ordinary pH electrode limitations. Simple to operate wit... More.

pHep® Electronic Tester

This handy and easy-to-use high-tech instrument does the work of hundreds of rolls of indicator paper. pHep® is the latest technological innovation providing a practical alternative to pH litmus paper. With an easy-to-read digit... More.

Hydrion Soil pH Test Paper – Range 4-9

An easy-to-use test paper that provides means of determining soil pH over a range of 4-9 with an accuracy of 1.0 pH. In use, distinct color changes indicated on the paper are compared with the permanent color scale mounted in the plastic dis... More.

Hydrion Soil pH Test Paper – Range 1-11

An easy-to-use test paper that provides means of determining soil pH over a range of 1-11 with an accuracy of 1.0 pH. In use, distinct color changes indicated on the paper are compared with permanent color scale mounted in the plastic dispen... More.

Hydrion Soil pH Test Paper Refills – Range 4-9

Pkg. of 5 rolls of test paper for replacement in tester C08834N. More.

Hydrion Soil pH Test Paper Refills – Range 1-11

Pkg. of 5 rolls of test paper for replacement in tester C08835N. More.