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Originally Posted by Gingergirlsmom I've been thinking about trying the black light (a little afraid of what I might find) but...does it have to be dark outside when you do this or can you do it in the daytime? |
we normally waiting until dark so we could see it better. We did it right before bed, so it was mostly dry by morning. I would think as long as you can make the room mostly dark it would still work, but the darker you go, the better you can see!