SPS Coral & Clams – Require most intense light for the longest period.Here are some guidelines for the types of coral and lights available for your reef: Coral Type: Every aquarium is different but your corals will tell you. If your corals seem to be turning white (Bleaching), reduce the light intensity to say 75%, turn off a bulb or two on a T5 setup or reduce your max intensity lighting period to 4 hours. Brown coloration is a sign the coral is not getting enough light. If your corals seem to be going brown, or the colors don’t pop, increase the light period by an hour each week. Have lights on for 6 hours maximum intensity – This means your lights at 100%, or all bulbs on There is an endless amount of lighting options that are available to you depending on what kind of coral you plan to have in your tank so here is a good benchmark to start with: There are many factors that go into this but it all comes down to what type of corals you have and what type of lights you have. What is the Perfect Lighting Duration for a Reef Tank? During the night, fish need to sleep, the coral will feed and scavengers come out to help clean your tank. Light schedules that simulate both periods of day and night are essential for establishing energy production in your coral but also simulate the natural daily cycle in the wild. In a saltwater reef tank, light is one of the most important parts of the life support system if you plan to keep coral. An algae in their tissue called Zooxanthellae processes light into energy and without enough light, the coral would die. Our reef tanks are a beautiful addition to any home or office so does that mean we just need to keep the lights on when we are there like a freshwater aquarium or do reef tanks need a different lighting schedule?įor saltwater reef tanks containing corals, lights should be on for 9-12 hours every day.
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