Ultrasonic temperature

[RichardNy]

What is the best temperature for ultrasonic water... for silver and gold? Please..
i bought a ultrasonic and he heat automatically till 140F = 60C.

Thank you in advance.

[china]

60 deg c, is about right it is not critical.

[RichardNy]

60 deg c, is about right it is not critical.

I was worry thank you so much!