cichlid7 Posted December 28, 2007 Report Share Posted December 28, 2007 what would be the difference in having 4 of those energy saving bulbs they would produce 400watts wouldn't they?? like these http://www.trademe.co.nz/Home-living/La ... 214159.htm compared to a MH or t5's Quote Link to comment Share on other sites More sharing options...
Warren Posted December 28, 2007 Report Share Posted December 28, 2007 Not quite, 4 of these are similar to 400W of incandescent light but about the same as 80W of normal fluro lighting... Quote Link to comment Share on other sites More sharing options...
camnbron Posted December 28, 2007 Report Share Posted December 28, 2007 Different colour temperature spectrum. If you are looking at them for your marine reef build they would not be suitable as the colour spectrum range that you should be targetting is between 10000K and 20000K. Emergy saver lamps are not near that. Quote Link to comment Share on other sites More sharing options...
cichlid7 Posted December 28, 2007 Author Report Share Posted December 28, 2007 the reason i was saying about it was because my dad said it was not the heat that was important but it was the strength which is 400watts. i myself dont have a clue :lol: :lol: :lol: :lol: :lol: Quote Link to comment Share on other sites More sharing options...
Warren Posted December 28, 2007 Report Share Posted December 28, 2007 But they're not 400W, they're 80W... The difference is fluro's are much more efficient than incandescent so approx 5x the light output for the same watts. It's not 400W of light, it's more like 8W of light and the rest is heat. So, 400W of incandescent @ 2% efficiency = 8W and 80W of fluro @ 10% efficiency = 8W about the same light output only. As mentioned above, colour temperature is important. There are some nice 6500K compact fluro's that work quite well on freshwater planted aquariums. Quote Link to comment Share on other sites More sharing options...
ryanjury Posted December 28, 2007 Report Share Posted December 28, 2007 I think they are saying this they put out as much light as a 100W normal incandescent, but they will be a different spectrum (as others have pointed out) and not actually 400W of lighting for 80W of power usage, its still only 80W you cant have something for nothing.. Quote Link to comment Share on other sites More sharing options...
cichlid7 Posted December 28, 2007 Author Report Share Posted December 28, 2007 yep ok i see thanks everyone Quote Link to comment Share on other sites More sharing options...
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