Empirical Bioscience optimizes its line of Master Mix products for enhanced activity, stability, and reduced foaming. The low-foam aspect of the product line allows for easy and efficient use without the loss of material. The 2X Master Mix, 2X Taq Mean Green Master Mix, and Taq 5X Multiplex Master Mix may be stored and used at room temperature for up to 90 days; for extended refrigeration, these products can be stored at 4°C for up to 180 days. The 2X FlashTaq HotStart Master Mix, 2X Flash Taq HotStart Mean Green Master Mix, and 2X rEVAlution qPCR Master Mix products can be refrigerator stored at 4°C for 30 days to reduce degradation issues associated with freezing and thawing.