This advanced 3% glutaraldehyde high-level disinfection solution is twice as fast as leading competitors, taking only 25 minutes to process. It provides effective sterilization in 10 hours and can be reused for up to 28 days. The moderate pH is compatible with heat-sensitive medical devices and contains a rust inhibitor to prevent corrosion. Once the powdered activator is added, the solution turns blue and has a mild lemon scent. Makes 1 gallon with powdered activator bottle.