I just recently put two of the Current Powerbrite LED modules on my setup. I use pc's (520W total) rather than T-5's. The LED's are situated near the center of the tank about 4 inches off of the surface. They produce some shimmer on the higher up rock structures. I guess they produce about half as much shimmer as I was hoping but not as bad as I expected. Oh, my tank is 24" deep. But with said, I'm axing my pc's for 2x250 MH. I want more shimmer and intensity. But the Powerbrites will work great for nighttime.
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