View Here : How Do You Get Mould Out Of Fabric
These suggested steps may very depending on the amount of mildew and type of product: Apply a treatment such as McNett MiraZyme or similar product. Mix 1 cup of salt and 1 cup of concentrated lemon juice with 1 gallon of hot water. Dry the tent in an area facing the sun. Apply water resistant treatment.
Plus, sunlight kills mildew. Next, make up a cleaning formula of about a cup of lemon juice with two or three tablespoons of salt. Rub that into the mildewed areas. A solution made from two tablespoons of bleach and a quart of warm water can also do the trick, although of course that also can change the fabric color.