tanTALK - Tanning Salon Business Owners Community - View Single Post - Are 308 nm and 311 nm better for vitamin D production?

06-10-2015, 03:54 PM

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Re: Are 308 nm and 311 nm better for vitamin D production?

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06-10-2015, 03:54 PM	#20 (permalink)
Turbo Girl Join Date: Feb 16 2009 Location: Alaska Posts: 626 Rep Power: 16	Re: Are 308 nm and 311 nm better for vitamin D production? __________________ [SIGPIC]