Its not nearly as dangerous as it sounds. 12 Volt doesn’t have the oumpf to jump through a human. You can use pretty much any electric provider (old laptop charger, power brick even 9 V battery (will be painfully slow and wasteful tho). Pretty sure most alkalines work too not just hydrogen peroxide.

Vinegar works by dissolving the rust and should give you good results too. Wont get it out of tight spots the way electrolysis does tho. Just get it hot/dry and oiled fast to avoid spotrust.

Idk about baking soda, its alkaline too right?

Just try it. Its iron, you wont break it :)

My pans get used and abused, dishsoap and all. The coating regularly get destroyed but a very hot pan and a thin layer of oil, wait until it starts pooling/separate then wipe all sides as dry as possible with cloth. The cloth will get black. Repeat layer of hot oil and wipe until the cloth stays clean. Usually i find that one good layer is enough to keep even eggs from sticking. Heat is key to polymerise the oil.

White vinegar and elbow grease.

Looking nice!! If you keep cleaning it with one of those steely things those pits will eventually fill up with polymerised oil and get smoother. I used a piece of hardened tool steel and actually scraped the cooking surface almost mirror smooth. Cooks like a dream.

And avoid sour stuff like tomatoes as it does the same as vinegar but I find that a hot pan with oil survives even that, so long as you get it out of the pan as soon as you’re done. Then again, as you’re now know, fixing it is dirt simple.