I bought these light from someone here at SCR to be used for my freshwater planted tank, but too much blue. Using just the white is not enough light. One is Black version and other is black with silver heatsink. All the blue did not work on the one with silver heatsink when I bought it. I replaced the main board since I keep spare because I am using Ai Sol Blue on my other tank. Now, all lights are good. I am asking $160 for both.
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