F firethorn New member Aug 19, 2009 #21 Hydrochloric Acid is the best thing. Eat rust real nicely and the resultant solution can be used to etch circuit boards. =) Be extremely careful though. Plus you can't find it in retail shops in Singapore.
Hydrochloric Acid is the best thing. Eat rust real nicely and the resultant solution can be used to etch circuit boards. =) Be extremely careful though. Plus you can't find it in retail shops in Singapore.
