View single post by ArizonaEvp
Posted: Mar 20th, 2013 08:38 AM
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ArizonaEvp
Joined:
Jun 26th, 2009
Location:
Heart Of Arizona Indian Country
,
Arizona
USA
Posts:
662
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For those of you that may think adding food coloring might lead to false positives....here are a couple of images using only water and a blue-white light: