Were they visably different from the beginning? Or did one dull and fade over time?So I have three of these Beamworks lights. A 24" on my 54g column (30x18x24) which light up nicely and am very happy with. Then I have two 36" ones on my 210g (72x24x29) which I am not super happy with. Why because one is visibly brighter than the other. I have switched side and transformers and they are not the same. I will live with it because of the savings in electrical cost since they replaced T5 HO fixtures.