Step 6: Fill and seal the cell

Picture of Fill and seal the cell
seal the cell and fill it with a solution of baking soda (or cooking salt) and water
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should we fill the CD cover with the solution??
alessiof76 (author)  Crazy-Inventor4 years ago
 leave an air bubble inside
jmcarlin5 years ago
How much baking soda/salt do mix in to the water?
alessiof76 (author)  jmcarlin5 years ago
is is not critical, more the solution is saturated smaller the internal resistance of the cell, but with so small current with two Small spoons are more than sufficient