InstaStain® Ethidium Bromide stains DNA gels in just 2 minutes -- far faster than liquid ethidium bromide. Simply apply an InstaStain® sheet to a gel, ensure there's good contact between the two and after just 2 mintues the DNA is ready for visualization. Concerns about liquid ethidium bromide in your classroom or difficult disposal procedures are gone forever with InstaStain® Ethidium Bromide!