JManrow Posted March 9, 2016 Share Posted March 9, 2016 AQUARIUM LIGHTING, Guide to Complete Facts & Information Help in understanding Kelvin, Nanometers, PAR, PAS, PUR, Types, Reef, Freshwater Plant & more http://www.americanaquariumproducts.com/Aquarium_Lighting.html 3 Quote Link to comment Share on other sites More sharing options...
What_The_Frag Posted May 17, 2018 Share Posted May 17, 2018 This is a great resource. Thank you Quote Link to comment Share on other sites More sharing options...
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