You can position it to strike the background (most common).
t lighting is another part of light layering. From there you will surely have to make your responsibility. The models, you can even choose from a soft amber light also bright white light. http://salehard.buyreklama.ru/eshoper-go?r=http%3A%2F%2FBookmarkbooth.com%2Fstory17994359%2Ffreshwater-aquarium-lighting-how-to-arrange-your-lighting-system