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I recently purchased a black light flashlight and am stunned at what I am finding in my home! TINY GLOWING STRINGS EVERYWHERE, mostly blue - but also red and yellow and green glowing strings that appear less often. What are they? Could this be a cause for allergies?

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I recently purchased a black light flashlight and am stunned at what I am finding in my home! TINY GLOWING STRINGS EVERYWHERE, mostly blue - but also red and yellow and green glowing strings that appear less often. What are they? Could this be a cause for allergies?	1