Originally Posted by Dimdim
The amount of time a lightbulb is on has absolutely nothing in common with how good they are or comparing. Its just time. Whoever would have thought running a stove at half power twice as long to cook something the same way isnt gonna turn out the same.
+1 Plants and corals need just enough intensity of light to have an effective photosynthesis. It's synonymous to baking a cake at the right temperature within a length of time