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FAQ:
Q: How do you refill a top secret UV pen?
A: Store Passwords in Plain Sight. Are you tired of forgetting all of your various passwords? … Mark Original Documents to Avoid Conterfeit. If you’re in the real estate,art,or any other industry that requires close control over original documents,a top secret UV pen … Include Secret Messages with Correspondence. … Identify Your Stolen Goods. …
Q: How to make invisible UV ink?
A: Any acidic fruit juice (e.g.,lemon,apple,or orange juice) Onion juice Baking soda (sodium bicarbonate) Vinegar White wine Diluted cola Diluted honey Milk Soapy water Sucrose (table sugar) solution
Q: How to make invisible ink?
A: Make your invisible ink. Write/Draw Message or Art. Use a small paintbrush or cotton swab to write a message or draw a picture on a sheet of paper. … Whip up the reagent. Reveal Hidden Message/Artwork. First,it’s a good idea to put down a couple layers of newspaper so you don’t stain whatever work surface you’re using.
Q: What is UV light pen?
A: 【 EFFECTIVE WORK】UV Light Repair Pen is a super powered liquid plastic welding compound that you can quickly and easily make permanent seals and repairs.Expand your imagination and do some interesting projects.Safe,Non-hazardous Formula,Water Proof and Heat Resistant.