Formic Pro 30 Dose Box (60 Strips)Formic Pro is used to treat hives for varroa mites*. For application, daytime temperatures must be between 50 F 85 F (10 C 29 C). Expire Date 07 2025 Strips are laid across the tops of the brood frames and are safe to use during the honey flow! Wear the recommended safety equipment: hand, eye, and skin protection. There are two treatment options: Option One: 2 strips for 14 days. Option Two: 1st strip for 10 days remove and replace with 2nd strip for