iSonic CSGJ01 Ultrasonic Jewelry / Eye Wear Cleaning Solution Concentrate brings wonders to ultrasonic cleaning. It brings sparkles and luster back to your diamond, other jewelry, watches, and makes eyeglasses crystal clear. Good for general cleaning purpose as well. Concentrated, use 1:20 to 1:40 ratio with tap water. Use only a capful for a personal ultrasonic cleaner. No streak, no phosphorus and biodegradable. Disperses in water immediately. It comes in a 8-Oz bottle. Very presentable for stores and offices.