Shade sails is usually cleaned with neutral detergents , left to act for a few minutes, and totally rinsed. To eliminate stains or halos we recommend For starters to eliminate it, to start with loosening the anchor , releasing the corresponding carabiner and subsequently getting rid of all another carabiners. https://customshadesails36802.verybigblog.com/35145515/everything-about-custom-shade-sails