Gaston; Food grade is 35% with NO additives and generally available from agricultural sources as they use it by the 55 gallon drums.
Any other grade of H2O2 has additives that we do not want to take. My last reference was; Jim Haigh; 6511 Manchester Lane; Eden Praire, MN 55346; Tel 612-937-2354. This is quite old so there may be some changes in the number. "Ole Bob" -- The silver-list is a moderated forum for discussion of colloidal silver. To join or quit silver-list or silver-digest send an e-mail message to: silver-list-requ...@eskimo.com -or- silver-digest-requ...@eskimo.com with the word subscribe or unsubscribe in the SUBJECT line. To post, address your message to: silver-list@eskimo.com Silver-list archive: http://escribe.com/health/thesilverlist/index.html List maintainer: Mike Devour <mdev...@eskimo.com>