Lets compare the best of both worlds will we. People who claim that T5 out perform LED clearly have never seen the high quality LED on the market right now. Yes if one compares the best T5 on the market with the cheap no good LED coming out of mainly China yes you are right you should go for T5 all the way. The LED in question are not even LED but semi conductive LED which clearly do not have the power nor the performance of the high quality LED on the market now from Cree and Philips who is gaining hard on the almighty Cree for the moment.
3W LED are that powerfull that running them at 100% would basically destroy any coral bleaching it instantly. The color range of the LEDs is so phenomonal that any color created by any other kind of light source becomes pale.
Due to this power and having them run at lower percentages basically extends the life and color it might reflect go well over 5 years in life span. (Againm people claim to change LEDs after 3 years talk about the semi conducting bulbs which have to run at 100% to barely reach the right performance)
So again the title of the forum should be clear and compare the best of LED with the best of T5 and then people would see there is no comparison actualy as they are not even in the same league.
Cree LED are unlike anything else on the market right now and can not be compared with anything if it comes to PAR, Performance, Life span, Environment, Lumen per Watt, etc.....