Hydrion Insta-chek 0-13 Mechanical pH Pencil

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Hydrion Insta-chek 0-13 Mechanical pH Pencil

The Hydrion (P-12M) Mechanical pH Pencil measures the pH of any surface to the nearest full pH value. It can be used to test irregular or uneven surfaces, and is also effective on porous material and impervious solids. It has clear colorful single color matches at every 1.0 interval from pH 0.0-13.0.

The pH Pencil is used to detect acid or alkali residues and may be used to measure the pH of any of the following:

Paper, Lumber, Concrete, Cement, Plasterboard, Pre-painted surfaces, Painted Surfaces, Textiles, Skins, Ceramics

To use, wet your surface with distilled water, stroke the surface with the pencil and wait 15 seconds for your results.  To advance the pencil lead turn the top clockwise.

Each package contains 3 mechanical pencils and 3 color charts. Each pencil will give the user at least 100 tests.

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