Light Intensity Meter

>Bought one of those cheap lux meters ($40) and was surprised at the 
>values being so low, especially in the non MH lit tanks.  
>Several tanks that are supporting crypts don't get a signifcant reading.
>This may be one of those places where the inverse square law and other 
>theory aren't too important when you can get real numbers from fairly 
>cheap test equipment.  We spend a fortune of lights, fertilizers, books, 
>test kits etc.  I suggest we consider these underwater light meters to 
>shed some light :) on the most important variable in making plants grow 
>(other than water, that is).  
>- --Earle Hamilton from northern Michigan where coral once grew

This meter is an excellent idea.  May I ask where you got yours?  
How does it work?  I appreciate the information.  Thanks in advance.

"Heaven  = Fish + Magic (more than a card game) + Music + Shopping + Cars"
jayme_donnelly at percussion_com