I always use washing water for washing. I changed N types. Basically, all of them are whitish. Moreover, after washing the boards, they don’t look good before washing. How do you guys wash them? How about using an ultrasonic cleaner? I'm going to buy it and try it, I don't know if it will work...
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 6 |
| 2 | sisma | 1 |
| 3 | Tormy Van Cool | 1 |
| 4 | Julian Phillips | 1 |
