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Aquarium Lighting: Fish Tank Lights and Hoods

Lighting can bring your aquarium to life in the aesthetic sense while also serving the functional purpose of helping live plants grow. As you shop, consider the following:

FAQs about Aquarium Lighting

The answer depends on a number of factors, including aquarium size, type of fish and ornamental decorations. Depending on your specific needs, you might consider fluorescent, incandescent, LED, metal halide or UV bulbs.

No. Extended light usage can encourage excess algae growth. It’s best to replicate a day/night schedule for your aquarium. Keep lights on 8-12 hours per day for planted aquariums and 6-10 hours per day for ornamental setups.

Algae growth is partially affected by the number of hours your lights remain on but not necessarily by the type of bulb you use. Additional factors for algae growth include the nutrients in the water and live plant density.

LED lights are a great option because they allow you to adjust light levels based on the different species that make up your aquatic community. They also tend to output less heat than more traditional aquarium lighting.