
20W Nano Saltwater Reef LED Light for 5-15 Gallon Tanks, Dimmable with 24/7 Auto Cycle, Timer & Soft Coral Modes
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A 20W LED fixture sized for 5 to 15 gallon nano saltwater tanks, with coverage aimed at 8 to 12 inch footprints. It outputs roughly 54 to 259 PPFD, a range tuned for soft corals such as zoanthids, mushrooms and ricordea rather than demanding SPS. A 24/7 auto cycle runs dawn, midday, evening blue and night darkness, with three modes and flexible timing. A temperature-controlled fan kicks in at 50°C and shuts off at 80°C. Against pricier reef fixtures it trades programmability and peak output for simplicity and a low-light-safe spectrum.
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Lowest price we've seen: $77.98 on Nov 13 at Walmart. Tracked across 1 store since Nov 13.
This 20W LED light is made for nano saltwater reef tanks that hold 5 to 15 gallons. It suits reef tanks 8 to 12 inches in size and is meant to cover the tank without extra light spill.
The light has a balanced full spectrum that enhances coral fluorescence and supports growth and marine colors. Its PAR range is 54 to 259 PPFD. The 20W output is tuned for soft coral nano reefs, including zoanthids, mushrooms and ricordea, and avoids intensity that could harm low-light corals.
A 24/7 auto cycle mimics coral photoperiods. It moves from soft dawn light to midday brightness, then evening deep blue and night darkness. The light also has 3 lighting modes and flexible timing options. A built-in fan monitors internal temperature.


