The acid didn’t get neutralized! Check out what happed to our acid stain and how we fixed it! Acid staining concrete is tricky and honestly one of our least favorite types of stains.. #concrete #concretecoatings #concretework #construction #constructionfails #fyp | DIY Coach Co.

The Ziehl–Neelsen stain, also known as the acid-fast stain, is a routine bacteriological staining technique used in cytopathology and microbiology to identify acid-fast bacteria under microscopy, particularly members of the Mycobacterium genus. This staining method was initially introduced by Paul Ehrlich (1854–1915) and subsequently modified by the German bacteriologists Franz Ziehl (1859–1926) and Friedrich Neelsen (1854–1898) during the late 19th century. These acid-fast bacteria possess a wa