Ultrasonic cleaner concentrate for cleaning jewelry, glasses, dental, precious metals and printheads in an ultrasonic bath, 250ml (Office supplies & stationery)
Dosage is 10-15% (not about 10-15ml) - ie one bottle just for 5 bathrooms a conventional ultrasound machine - like cleaning effect is achieved with a few drops of neutral cleaner - so OK effect, but the price is overpriced massively.
