pH Testing

Replacement Electrode

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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 ... 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 litm... 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 perm... 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 permane... 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.

pHep® 4 Waterproof pH/Temperature Tester

An affordable, easy-to-use pH/temperature tester for both nontechnical and technical personnel alike. Accurately measure pH and temperature on the spot! Features include: dual-level LCD, battery le... More.

General-Purpose Electrode Cleaning Solution

Cleaning your electrodes with this solution can speed up your measurements. Clean the liquid junction of your electrodes once a day or at least once a week to prevent clogging and to maintain accur... More.

pH Electrode Storage Solution

To minimize clogging and ensure fast response time, always keep the glass bulb and the junction of your pH electrode moist. Store the electrode with a few drops of this solution or pH 7 buffer solu... More.