48.532 hours
bright purple. (ultra violet).
Yes, you can use a black light on bed sheets or where-ever and the semen will be visible.
I'm pretty sure any black light would work just fine
Yes it can. Semen appears a pale greenish yellow under a blacklight, just like most white things glow bright purple. Clean it up before you invite your buddies over to show them your new black light. No. I own a blacklight and something that produces semen; I can attest that my semen does not glow any color before or after it has dried.
Black light shows anything containing protein. Even the watery stuff in potatos can "show up" under a blacklight.
A poster glows under black light if there is white designs on it. Anything white glows under black light. The reason why is because those things have phosphors on them which can only be detected under black light.
Then, your diamond looks opaque white under a black light.
This could refer to the colors that are made to use with a black light. Colors that glow under a black light.
Bleach shows black under a black light or rather it cancels white papers glo effect where bleach is still present
Yes, but it is not nesicarally green rock that glows under black light. Some rock are florescent and glow (under black light). Most of these rocks appear green, but not nesicarally all of them.
there is no kind of urine that will glow under a black light. Urine will glow green under a neon light, yet it is mainly unseeable with the naked eye without a neon light.