How To Prepare Disinfectant Solution - Antibacterial AntiViral Disinfectant for Farm Livestock Veterinary Hospitals Bio-security ViralFX™ Shelf Life Store in cool, humidity controlled conditions. Shelf-life 2 years from date of manufacture. Container must be tightly re-sealed to preserve integrity of powder. ViralFX™ 1% solutions are stable for 7 days but should be discarded when the pink colour fades. Actual solution life will vary depending upon its exposure to organics and UV light. How To Prepare ViralFX™ Solution 122 Seconds Video