SNO Cleaning Concentrate: Safetly Cleans ALL Surfaces. Add 1/2 Ounce to 16 oz Water in SNO Refillable bottles for Optimal Economy and to reduce Carbon Footprint. 8oz cncentrate makes 16 bottles of Spray Cleaner. 8oz cncentrate makes 16 bottles of Spray Cleaner. Appoximate Cost/Refill Bottle=$1.03