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Please make sure you have a properly ventilated space to work with and that you take all of the necessary precautions. Anytime you're working with electricity and water you need to be absolutely certain that you're working safely.
Let’s say you have a rusty tool or part you want to paint or refinish. While you certainly could sand, brush or even sand-blast the rust off of metal, that process can be quite labor intensive or it may damage piece you’re working on. This is where an E-tank comes in super handy.
An E-tank uses electrolysis as a process to remove rust from steel or cast iron. When an E-tank is properly setup it will literally pull the rust from your part. You just have to plug it in and let the system do the work for you.
Building an E-tank is a fairly simple think to do.
You’ll need the following items:
Container
larger than the piece you’re working on
Non-conductive-plastic
Sheet/s of steel
Not Stainless or galvanized
Plain steel
I’ve seen a number of people use rebar
Wood board
2x3 for example
Long enough to span the container
Strong enough to support the piece
Car battery charger
Standard charger not with a time limit
I use 10amps but 6amps would work just fine
Super soda wash
Sodium Carbonate
1-tbls / gallon
Volume formula (inches)
Length x width x height = cubic inches
Cubic inches ÷ 231 = number of gallons
Metal rod
Long enough to span half of the container
An eye bolt
long enough to go through the wood board and rod
metal wire
think enough to handle and shape
Clamps
metal
Additional items may include:
Screws
Drill
Screwdriver
pliers
There are alway little things you may want to use in your design so just know that there can be a bit of flexibility to meet your particular needs.