Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies Created Viewing 2 replies - 1 through 2 (of 2 total) Author Replies May 17, 2021 at 8:07 am in reply to: Cleaning Catalytic Converters with Soap and Water #990614 Josie BrownParticipant Alxonox is indeed a very powerful detergent that leaves no marks. I got it here at a very competitive price https://www.fishersci.com/us/en/brands/I9C8LRHP/alconox.html https://www.worktime.com/ May 12, 2021 at 11:28 am in reply to: Cleaning Catalytic Converters with Soap and Water #990543 Josie BrownParticipant Alxonox is indeed a very powerful detergent that leaves no marks. I got it here at a very competitive price https://www.fishersci.com/us/en/brands/I9C8LRHP/alconox.html Author Replies Viewing 2 replies - 1 through 2 (of 2 total)