A light providing a really high lumen level would be yellowish and quite ugly, especially in an aquarium. Lumens are not a measure of light quality. It is used as a gauge for lighting grocery displays and clothing stores. The lumens measurement is based on human eye sensitivity. Lumens is the measure of visible light but excludes the ultraviolet and infrared spectrum. When comparing LED lights, you’ll often see references to light output in lumens and PAR. Key LED light features to look for freshwater aquariums: This is especially important to consider when selecting a light that sits on top of the aquarium frame. LED lights come in a variety of lengths that match the length of the aquarium. When you shop for an aquarium light, know how wide your aquarium is. They are mounted above the aquarium either on legs that rest on top of the aquarium or hang from the ceiling. Some more advanced freshwater LED aquarium lights allow you to create light that mimics early dawn, dusk, moonlight and more.īasic LED lights can be controlled by a conventional timer that plugs into the wall. Look for a LED that can provide this range of light quality. Natural daylight, on cloudy to sunny days, ranges from 5500K to 7000K. One of the measurements of the light spectrum is the Kelvin unit. Without the natural light spectrum, aquatic plants will gradually lose their coloration, drop leaves and melt away. Unlike early day-glow fluorescent aquarium lights, freshwater LED lighting will enhance the natural colors of freshwater fish, allowing you to see the myriad of colors and subtle shading that exists on freshwater tropical fish.Īquatic plants require full spectrum lighting to thrive in an aquarium. The LEDs have been selected to produce a natural-looking white light. The freshwater LED fixtures are engineered to reproduce the light spectrum of sunlight shining down into a lake or stream. LED aquarium lights are designed for freshwater aquariums or marine reef aquariums.
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