Re: [APD] Lighting

[Paul M Wallace <pwallace at u_washington.edu>]

The current crop of LED are doing about 32 Lumen per Watt.  This is better than incandecent ~16 Lm/W but not as good as T5 at 98 Lm/W.

Reference:
http://www.plantedtank.net/forums/showthread.php?t=21052

Figure #3 on this page:
http://www.lamptech.co.uk/Documents/SO1%20Introduction.htm
shows that LED are improving rapidly.  But are just not there yet.

-Paul


On Fri, 7 Oct 2005, urville wrote:

> i believe LED's are the most effeicient lighitng
> as to how available they are in anything that does us anygood i dont know
>
> Jerry Baker wrote:
>
>> They don't even cost more hardly anymore. I see 4-packs for $8 all the
>> time in Home Depot.
>>
>>
>>
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