Tris Buffered Saline Buffer Casein Block, 10X

10X Concentrate is stable for a minimum of 2 years from the date of manufacture when stored at the recommended storage temperature of 2-8 °C. The product should be clear and colorless in appearance. To minimize risk of contamination, make fresh working solution each day or store unused working solution at 2-8 °C. If proper technique is not performed, the possibility of introducing contaminants is possible.