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HOME > Protocols > Media and Reagents > Gentian Violet Stain Recipe

Gentian Violet Stain Recipe

Gentian Violet is one of the stains used in the gram stain procedure. Gram-positive bacteria take up and retain gentian violet stain.

  1. Dissolve 1g gentian violet in 20ml of 95% ethanol
  2. Add 60ml 5% formalin to the solution from step 1 and mix completely
  3. Filter solution to remove any precipitate
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