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We all have pennies, and they are usually dirty. With this instructable, you can clean your pennies very easily using only a few steps.

Step 1: Gather Supplies

You will need:

Dirty pennies

1/4 cup vinegar

1 tsp salt

a non-metal bowl

napkins/paper towels

a cup or bowl of water

Step 2: Create the Cleaning Solution

In a non-metal bowl, mix the salt and vinegar. Stir until the salt if completely dissolved.

Step 3: Clean the Pennies

Place about 5 pennies in the vinegar solution. Wait for 10-20 seconds, then remove the pennies and place them in water. This will remove any extra vinegar. If you don't do this, the pennies will start to turn a gross color of green.

Step 4: Dry Them Off

Take the pennies out of the water and place them on a napkin/paper towels. Dry them off and then you are done. You now have clean pennies!

Step one: take your pennies to a bank. Step to ask for new pennies.
<p>The best thing I have used to clean copper is muriatic acid, found near<br> the paint thinner in your local hardware store. It only takes seconds <br>to clean it with a q-tip, but you definitely need to wear thick gloves <br>and be very careful. Also, when not even boric acid will clean copper <br>wires, I have used it to remove black corrosion from copper wires before<br> soldering. The stuff is wonderful, but very dangerous. I also recommend<br> paying the premium for low odor formula because the stuff is disgusting<br> if you breathe it in.</p>
<p>I went with this option as it is safer than muriatic acid, and i had all the supplies lying around my house.</p>
It is certainly safer. But the acid is much faster and I think it does a better job. Each has it's pros and cons.
<p>AWESOME!!!!! </p><p>1. after 1 half-hearted attempt at cleaning w 1 recipe (I missed my copper fountain, even Brasso didn't clean it before)</p><p>2. second attempt, I had recipe in bowl and was washing the pot, I noticed the bottom looked better after soaking a bit</p><p>3. I got serious</p><p>4. Clean enough! I like some oxidation, and since rocks will cover the bottom no big deal!</p><p>5. Look at my beautiful fountain! Very little rubbing to boot! </p><p>Thanks Cpat150!! You're my hero!!! It really works!!!</p>
<p>I am so glad that this worked for you!! Also, thanks for the patch!!</p>
<p>I like the fact that this is safer than other chemicals; I still used gloves as a precaution, but there was no odor other than the vinegar. I've cleaned drains by dumping baking soda in the drain then adding vinegar that foamed up. I don't know if that was unhealthy to breathe but I didn't get close enough to breathe it anyway.</p>
<p>If the penny is valuable (and some really are- check a coin book for condition and value) then you've totally ruined it. This goes for any coin- copper, silver, gold. Check for condition/value first.</p>
<p>Agreed.</p>
<p>And what is the cost per penny?</p>

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