<a href=showthread.php?s=&postid=8101034#post8101034 target=_blank>Originally posted</a> by phender
This may not be true in your case since you got your anemone from a friend, but in many cases the rapid growth of new anemones in the first couple months is not so much growth as it is a return to its original size before it was collected.
There is no doubt that it is difficult to "over light" anemones. As with most photosynthetic reef creatures, more light is usually better, but in some cases you don't need to have tremendous growth. In many cases moderate growth is good enough. The brightly colored pigments in anemones (in this case, blue) are often used as "sunblock" to protect cells from the sun. At lower lights the blue pigments tend to fade, while they intensify at higher levels. The bluer anemones certainly look better, but it is not necessarily a measure of the anemone's health. Sort of like a tan person is no more healthy than someone without a tan.