With the addition of ammonia for use in ultrasonic washers or by immersion. Cleans and brightens gold and silver jewellery, also with stones. Do not use to clean soft stones such as turquoise, lapis, amber, coral.

Dosage (ultrasonic cleaner): from 3 to 10% per 1 liter of water, at room temperature, duration of the process 3 - 10 min. without the cleaner: 10 - 20% for 1 liter of water, time 5 - 10 min. After the process the workpieces should be rinsed in water.