This light is very bright and illuminates my betta's aquarium beautifully! I am a fish botanist and the lighting in my aquariums is very important to me. BUT I could swear this light comes with a controller with almost infinite settings. I had an Akeon lamp and it was my favourite, even better than the Fluwal Sky or Finnex. It was also called "optibrite". This light only has two switches, one for blue and one for white, you can choose two different shades of white, one with a little red and the other with a lot of blue. Eh It's not that much fun, but it's nice and bright. Attached are photos from different settings. I would have preferred a flashlight with a controller like the NICREW competitor, which I think costs a little less money. May return. And yes, my rooster has this huge aquarium.
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