Yesterday i started cleaning the tank using electrolysis.
It is the only method of tank cleaning that does not remove good material and score the tank.
I have attached a battery charger to a 4 foot piece of re bar that i found in the mud next to the barn. The positive is connected to the bar (sacricicial annode) and the negative to the tank.
It is working great.
The tank is full of water with one tablespoon of baking soda (should be washing soda but i didnt have any. I it possible to convert baking soda into washing soda in the oven) per gallon of water.
I found that most cheap chargers let a little ac through and causes the reaction to slow down so i have connected a battery in the line and that has dramatically incrased the speed of the reaction.
Every few hours i wipe the rust off of the bar and when it it re inserted into the tank the meter on the charger goes from 1 to above 4
It is awesome to see and hear. Cant wait to try it on rusty parts and tools and pans.