Spread the canopy tent outdoors as you normally would. Next, take any good quality laundry detergent, mix it with water and spread the mixture all over with a wide bristled soft brush or broom. This will work fine for the initial cleaning. After which, to get rid of tougher stains you can water with Chlorox in a ratio of 3:1.Be careful of the mixture as it can remove the glossy shine on your canopy, so wash it off immediately after cleaning. Lastly, don’t forget to follow instructions on the packaging and always dry it out properly so there are no mildews or fungus later on.