Quote Originally Posted by battyone View Post
What about an old fridge?

Perfectly sealed so you won't rust anything else in the vicinity.

An old fridge or deep freeze would be ideal if you could find a rusting box and heater the right size to fit inside.

I'm going to do things the other way round, if I find the right size rusting box I'll build a heat box to house it and the heater I have.


Another thing I've found you need to watch out for is to make sure the acid is at the same temperature or cooler than the steel to be blued.

If the acid gets hotter than the steel then you create condensation which wets the steel instead of the fairly dry fuming you need to create rust.

I've had to lift the rusting box away from the radiator and put the acid pot on top of some insulation inside the box to stop it getting hotter than the steel --- I'm getting a much better rusting this way.




All the best Mick