[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Lighting & reflectivity

BTW the former question regarding light and color of gravel in the tank 
brings me to another thought . . . Am I going to wind up with the same amount 
of light with 40 watts over this tank with a dark gravel as I did before with 
20 watts over a white gravel?