Things You'll Need:
- 1 tbsp. spirit of salts
- 5 tbsp. water
- Small bowl
- Cotton ball
- Paper
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Step 1
Don your gloves. Dilute 1 tbsp. spirit of salts (also known as hydrochloric acid) in 5 tbsp. water in a small bowl.
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Step 2
Apply the mixture to the ballpoint pen ink with a cotton ball, gently dabbing and rubbing it onto the paper.
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Step 3
Remove the solution from the paper approximately 1 minute after application by rubbing a cotton ball dampened with clean water over the paper.













