DRAGONFLY Trimarans User Forum

Our wool curtains on the boat had developed widespread mildew spotting, and we found that soaking them overnight in a solution of OxiClean stain remover took care of it, 100%.

I rubbed the stained areas of the curtains lightly against each other by hand after they had soaked a few minutes, and then left them alone. I used 2 scoops per gallon concentration.

Came across this method:

http://smallboatprojects.blogspot.com/2 ... -spot.html

Less than $8 at Walmart. Like the author, I intend to use it on canvas.