Accepting All Major Credit Cards by Bio-Kleen | Monday, April 8, 2013 | 0 comment(s) This is something a few of our loyal customers have been asking about for a while and we are finally happy to say Biokleen.com is now accepting all major credit cards including: MasterCard, Visa, Discover and American Express. This entry was posted in Biokleen Website. 0 Comments Add a Comment to this Post You must be logged in to post comments.