I use Lemon juice to clean pennys it work out great!
Lemon juice has a lot of acid so it is reasonable for lemon juice to clean pennys best.
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lemon juice.(:
lemon juice
Coke and it also cleans battery contacts on a car or trk.
lemon juice, because it has antioxidense!>*^#$
lemon juice
Grape juice is not the best choice for cleaning pennies. Lemon juice cleans pennies best due to its acidity.
well add juice to the penny
vitamin c.
apple juice... I did that as a science fair project
Lemon cleans pennies the best because of the acid in the juice.
apple dose
Tabasco sauce