How do these markers work under blacklights?
1551942
They do not work well under black/UV light. You're better off using highlighters than these markers.
1551943
I really can't help you with THAT one....my child never uses under blacklight conditions. Sorry.
556237
You can visibly see the illuminators glow but it is faint, as is their usefulness. It will work if the object you're trying to illuminate is very close (within 4 feet or so) but outside of that the LED lights are very ineffective.
489482
Only the fluorescent colors will glow under a black light, there are 5 of the fluorescent colors in this set. No, they will not write on plastic.
1403754
they might be difficult to see. the tips on the markers are fairly narrow, and they are not very bright, even with direct UV light.
2157656
I used a piece of tape. If your tape bleeds too much light, put a piece of foil in between. Easy enough
345769
Guesswork here* Correct me if someone knows better. The color of the glass will not effect whether or not you can etch with this product. It will effect the end result. IE, etching on clear glass takes away an outer layer where the etch is and results in a frosted look of whatever shape you etched. So on black glass (assuming the glass is completely black and does not have a film on the outside or something with clear glass on the inside) it would likely just be black and wouldn't stand out much except on closer examination. I'm intrigued, how are the LEDs going to be used with the glass? Is it a glass window and there's LEDs on the inside surface?
1195263
There are two toggle switches on the back of the light. With both off you have a very low amount of blacklight. Just enough for the fish to see you like it was moonlight. One toggle switch turns on the regular light and the other toggle switch turns on the black light.
1564718
I haven't tried it under black light . It glows if you put multiple layers of the nail polish put peels easily I find but it may be just be
2260201
There are copper dots on the back of the panel which are marked with a + for Positive and - for negative. The labels are hard to see in low light... you can solder your leads directly to the copper dots.
2109208
Hook Black to Black, Red to Red with Liccense Plate lights. They are always on when you turn on the lights.
1792821
Don't know, mine have quit working. Even they worked there was very little light.
299095
You can use normal ones. The best ones to use are the expo neon markers. They're pretty cheap on amazon.
801210
Yes, they only go on when the light is quite dim. It doesn't have to be totally dark. I was skeptical at first, these are surprisingly useful. I just ordered a second set for a different location in our house.
1433460
I not entirely sure if they do. But i assume they do because certain neon colors do pop when under a black light.
365174
Mr. Guzowski, these markers were a part of a Christmas gift to my three young grandsons and their use has not been evaluated for use on the light designer. Sorry I am not able to answer your question to your satisfaction.
1600915
I used mine on a black dry erase board and they worked really well and didn't leave any marks. The colours were also crisp and very visible.
1017073
I actually bought a black light for my son's room. It's a great night light, not small, but it works. With a black light, the stickers are always glowing.