Yes its a 10% bleach solution on the mold. Let it sit fior a few minutes and rinse with water. Then let it air dry before putting it away.
As far as awnings are concerned not sure how much you want to spend but I love my carefree of colorado awning
the info on the awning is here.
They can be pricey but I have seen them on sale.
There is another thread on awnings.