Aquarium Lighting is very essential for plant growth in your aquarium. There are many aquarium lights available. Too much light generates more algae and too little light retards the growth of plants. Artificial controlled lighting is desirable of aquarium. Fluorescent light is best for your aquarium. These aquarium lights boost up the plants growth and bring out the colors to the fishes. Fluorescent tubes produce relatively little heat, are energy efficient. A 40-watt fluorescent lighting for 10 to 12 hours per day is ideal for the normal house aquarium. Now specially designed fluorescent lights are providing attractive illumination. There are few types of aquarium lights mentioned for your present. Standard aquarium tubes (eg. Aquaglo) are usually moderate brightness and have a spectrum with mostly red and blue light. These give a soft, natural light that shows off the colors o f most fish very well. This is light is suitable for most aquatic plants. Bright light is required for a very deep tank or marine aquariums. These have a slightly crisper and cooler look. Actinic tubes also have a large amount of blue in their spectrum. These are all mainly for marine aquariums to create a dawn to dusk effect. Tri-phosphor tubes are sometimes used in aquariums. These are a bright tubes with little yellow in the spectrum gives a nice appearance at low cost. Metal halide lighting is occasionally used, but generally for extremely large tanks where very bright light is required. These lights are very expensive, use more power and produce a lot more heat.