Provided you credit pesky spies are afoot and don't thirst for them reading your letters or grocery lists, it's apparent to constitute invisible ink. Once the ink is dry, your comment Testament double o conforming an Common blank abundance of paper. Single those who be versed divulge the note Testament contemplate it. Spring from these steps for three clashing methods for production invisible ink.
Make Invisible Ink with Lemon Juice
1. Bias some lemon liquid and deposit it in a baby bowl or other container. You can squeeze a lemon or pay for some in a bottle.
2. Inscribe a indication with the lemon fluid on a frank achromic group of paper. You can employment a cotton swab, Toothbrush, paintbrush or Toothpick as a pen.
3. Let the paper dry completely.
4. Heat the paper up by holding it near a cloudless bulb or other heat source.
5. Announce the memo which should appear in a pale tan or brown color.
Make Invisible Ink with Baking Soda
6. Mix baking soda and water in a small bowl or other container. You want to use equal amounts of both.
7. Write a message with the baking soda mixture on a plain white piece of paper. Read the message which should appear in a brown color.
Make Invisible Ink with Corn Starch11.
9. Heat the paper up by holding it near a light bulb or other heat source.
10. You can use a cotton swab, toothpick, paintbrush or toothbrush as a pen.8. Let the paper dry completely.
Heat 2 tbsp. corn starch with 1 tbsp. water in a small pan. Stir until it's well dissolved.
12. Write a message with the corn starch mixture on a plain white piece of paper. You can use a cotton swab, toothpick, paintbrush or toothbrush as a pen.
13. Let the paper dry completely.
14. Make an iodine solution of 1 part iodine to 10 parts water. You could use 1 tsp. iodine and 10 tsp. water as a recipe.
15. Paint the paper with the iodine solution using a brush or cotton ball. Your message will appear in purple.