MicroEssentialLabs Insta Chek Pencil v3

Learn how the Micro Essential Laboratory Hydrion Mechanical pH Pencil measures the pH of any surface to the nearest full pH value.

Micro Essential Laboratory, the market leading manufacturer of sanitizer test kits required by health code for use in restaurants and everywhere food is commercially prepared or sold.

Micro Essential Laboratory, Inc., established 1934, is the leading manufacturer of sanitizer test kits. State, local, FDA health codes require sanitizer test kits to be on hand and are essential to test the concentration of sanitizers. This requirement extends to anywhere food is commercially prepared or sold.

Since 1934 Hydrion test kits have served Hospitals, Universities, Laboratories, and Scientific Establishments, providing accurate, easy-to-use means of tes