Feb 16, 2025 2 min read BeeMusings Slow-release oxalic acid strips Slow-release oxalic acid formulations provide the main thing missing from this excellent miticide — residual activity — so repeat applications are not needed. VarroxSan slow-release oxalic acid-containing cellulose strips (photo Vita beehealth) This post is for paying subscribers only Subscribe now Already have an account? Sign in
