"bouteille de gaz"

Use Hydrion A to test in the range of 2-4-6-8-10 and Hydrion B for the range of 1-3-5-7-9-11. Both strips let you test the pH scale in 2.0 units.
Includes: color chart.

Add protein testing to your urinalysis procedures.

All come in vials of 100.

A simple dip test for presence of lipids in solution.