30 Dose - Formic Pro™ is the next generation in formic acid treatments for mites. Made of all natural materials, this product can be used during the honey flow. Made of all natural materials, this product can be used during the honey flow. Unlike Mite Away Quick Strips, Formic Pro™ has a longer shelf life and no temperature requirements for storage. Daytime temperatures still must be between 50° F - 84° F (10° C- 29° C) when used. Strips are to be placed across the top bars between brood boxes or on top of a single deep hive. Be sure to wear the recommended safety equipment for acid. Treatment Options: • 14 day Treatment: 2 strips for 14 days. • 20 day Treatment: 1st strip for 10 days remove and replace with 2nd strip for an additional 10 days.