Rust removal via Electrolysis
Its all sounds too good to be true; You leave some rusty stuff in metal and it comes out rust free?
![Shocked :shock:](./images/smilies/shocked.gif)
Ok, so there's a bit more too it.... In the water, you add some soda crystals.
Then you add some sacrificial metal. Then you add some wire hooks to your rusty thing
Finally, you connect the sacrificial metal and wire hook to a battery charger, making sure they're not touching.
This is how it looked before switching on:
The brakes discs are, potentially, scrap. They're simply being used as test subjects as I didn't want to ruin anything.
Here's how it was looking after an hour
That, I believe, is a positive thing.... (no pun in tended!)
Current travels from negative to positive (yup, I'll leave that one to melt your noodle for a while). As the brake discs are earthed, the current travels through the solution and in the process flakes off the rust - the flaking/softening occurs because of the reaction at the surface of the good steel that pushes the rust off.
I've left it "baking" over the weekend, so will check on it on Monday. Stay tuned...