The Stovebolt Site Forums The Shop Area General Truck Talk Problems with Electrolytic rust removal

Borax is sodium borate, sodium tetraborate, or disodium tetraborate

Baking soda is sodium bicarbonate

Washing soda is sodium carbonate - soda ash

The electrolytic rust removal Tech Tip recommends 1 TBS of Washing soda per gallon.

All of the above chemicals are bases and will raise the pH of the solution; however, almost all write-ups of this technique suggest using washing soda.