> How long can you safely reuse a sprayer of oxalic acid mix if kept in an airtight sprayer since mixing? Look here, Bob: http://www.agroscope.admin.ch/imkerei/00316/00329/02081/index.html?lang=en see: Storage of Oxalic Acid Sucrose Solution Kind regards, Ghislain De Roeck, Belgium. *********************************************** 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