4 fl oz of Concentrate makes 8 fl oz of Hot Spot Spray. Our Apple Cider vinegar-based Hot Spot Spray helps reduce fugal issues and calm itchy irritated skin. Do not use it on open wounds. Try our Hot Spot balm for relief in sensitive areas. Fill our reusable spray bottle (or any 8 oz or larger spray bottle) with the Hot Spot Spray and add 4 oz of filtered water (or refill our 4 oz bottle with filtered water).