Improper or insufficient aquarium lighting can cause your fish to stress out. It also can cause your fish to be less active and lose their color. Impoper lights also can
cause poor growth and health in fish and invertebrates. The goal of fish tank lights is to
replicate the natural conditions of light in natural habitats. Most aquarium fishes need up
to 8 hours of light a day. Your fish rely on you to give them the proper aquarium lighting
and it's up to you to give them normal days and nights as they don't have any other way to
recreate their normal habitat. In this section i'll give you the all the ideas
that are available to you.
Actinic blue lighting
Actinic blue bulbs produce long wave ultraviolet radiation. This ides is great for plant growth but also produces an abundance of algae if you have the light on quite often. This type of lighting is often used in marine tanks.
Metal Halide Lights
Metal halide lights produce a very pleasing effect in your aquarium because they have a high red and yellow spectrum and are very bright. Unfortunately, they are very expensive. These lights are great for heavily planted freshwater tanks because they are made to produce properties similar to natural light.
Mercury Vapor LIghts
Vapor fixtures can hang over aquariums and are often used in deep tanks. They are a little short in the green and blue wavelength and may need supplemental equipment to complete a full spectrum. The idea is that they retain 90 percent of their original capacity over a period of several years.
Fluorescent is great for hobbyist with live plants. They can last a long time and don't generate alot of heat. They also have an even spectrum of light. Even though they continue to burn, they often begin to dim and lose a portion of their power after about six to seven months. This type of bulbs brings out the natural colors of your fish and plants.
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