VERSATILE & RELIABLE: The Cleanfreude ultrasonic cleaning agent hygienically removes all residues from jewelry, silver, coins, dentures, dental products, your glasses and also works as a glass cleaner FOR COMMON ULTRASONIC DEVICES: The biodegradable cleaner can be used in any commercially available ultrasonic bath - for gentle cleaning of your treasures WITH PRACTICAL DOSING AID: For effective cleaning, simply dilute 1/2 dosing cap of the ultrasonic cleaner concentrate with 100 ml of water. So you can use the cleaning agent in your glasses ultrasound device as usual Animal and environmentally friendly: Like all cleaning products, the silver jewellery cleaner is responsibly manufactured in Germany.