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	Can't find the formula for WPG..
ginsing Small Fry Posts: 7 Kudos: 7 Votes: 0 Registered: 22-Apr-2009	Hi, I did some research here earlier and ran across a formula for figuring WPG. Should have noted the topic as now I can't find it even in search? I'm rethinking my tank and I have a Coralife 65W x 2 12,000K light. After my research here, I've learned several mistakes I made when I first tried to keep plants. I had given up long ago but now I'd like to try again. 55gal Freshwater Tropical, Emperor 500 Biowheel 8 Lemon Tetras,4 Dwarf Neon Rainbows,1 Blue Spot Gourami, 3 Clown Loaches, 1 Lemon Spotted Pleco
Posted 05-Jun-2009 23:11
FRANK Moderator Posts: 5108 Kudos: 5263 Votes: 1690 Registered: 28-Dec-2002	Hi, You total the wattages of the lights over the tank and divide that total by the capacity of the tank. 2x65 = 130. 130/55 = 2.4 watts per gallon (wpg) and is considered in the lower medium, range. 1-2wpg Low light 2-3wpg medium 3+ wpg high range The temperature is a bit high at 12,000K. I'd stick with lights in the 8800 - 10,000K range unless the 55 is non standard and 24 inches high, in that case I'd use the ones you have (12,000K). Frank -->>> The Confidence of Amateurs, is the Envy of Professionals <<<--
Posted 06-Jun-2009 02:03


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