The product may be cleaned in a semi aqueous solution but it would be better to use a product from Alpha that was originaly desighned to be cleaned in water they do have products. Bob Willis Electronic Presentation Services 2 Fourth Avenue, Chelmsford, Essex CM1 4HA. England. Tel: (44) 01245 351502 Fax: (44) 01245 496123 Home Page: http://ourworld.compuserve.com/homepages/bwillis Email: [log in to unmask]