Popular question about storage temp’s. Our current and final formulation. White - 2 years at 2-40°C (35-104°F) Shock temp. >43°C (110°F) and <51°C (125°F) ~10-20 days. Better to store in the fridge Blue - 2 years at 2-8°C (35-46°F) ~30 days with max temp 35°C (95°F) Shock temp. >43°C (110°F) and <51°C (125°F) ~2-5 days