MH vs FL heating effects

KB Koh wrote:
> Maybe I should use 6 FL tubes with these 3M instead of MH for my soon to 
> be 2' deep tank. MH is so hard to find in Penang, Malaysia. Stephen 
> Pushak just told me about the heat from MH. Woh!

I should point out that the heat generated by 250 watts of any kind of
lighting is still 250 watts of heat. Some of the 250 watts is converted
to light energy which eventually becomes heat. 6 x 40w = 240 watts of FL
would generate about the same heat as the equivalent in MH.