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Looking for a UV dye that was sprayed on in a health education class.
Hey everyone, a while ago I made my own LED UV Light, and it’s loads of fun but I am trying to find something.
Back in high school, we had someone come in and do the whole talk about washing hands and stuff, but they sprayed our hands with water and a UV substance that fluoresced orange under UV light so we could see how well we washed our hands.
I was wondering where I can purchase this stuff. It seem like it would be a lot of fun to mess around with.