Thank you for the input about OA vs. FMGO. I have never used either but do think I will have a heavier mite load this spring as I had some robbing drifting from a laying worker hive that had tons of drone and the mite load accelerated in that hive. Can anyone direct me towards a good "how to" on either the FMGO or OA application? Also what equipment do I need for application.

Best
Marcy