Randy > Peter, which form of thymol treatment are you using? Evaporating crystals. http://www.stratford-upon-avon.freeserve.co.uk/PENotes/VarroaTreatment.htm Best wishes Peter *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html Guidelines for posting to BEE-L can be found at: http://honeybeeworld.com/bee-l/guidelines.htm