I watched a guy peel the top layer of fabric off trying to wash growth off his. Left some nasty scars..

I use Mary-Kate Inflatable Boat Cleaner or Amazon Inflatable Boat Cleaner. Boat is 9 years old and people mistake it for brand new all the time..

This was taken yesterday after my "spring cleaning".. Nothing but rags and Mary-Kate Inflatable Boat Cleaner...