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Old 10-12-2013, 12:17 PM   #1
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led lighting

What would be the minimum strength led light to grow beginner corals ? I have a beamsworks led 76 light strip. 10000k, 400 lumens
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Old 10-12-2013, 01:00 PM   #2
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It depends on the tank size. What size is your tank but to be honest I doubt that would grow anything.
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Old 10-12-2013, 02:03 PM   #3
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It's a 20 gallon tall
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Old 10-12-2013, 03:10 PM   #4
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Can you post a link to the fixture you have?
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Old 10-12-2013, 03:59 PM   #5
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Not sure how to do that but here are the specs


  • Dimensions - 23.00” x 5.00” x 1.00”
  • Brackets add 0.65" in height
  • Includes 78 LEDs
  • 400 Lumen
  • Super energy efficient .06 watt LEDs
  • 72x 10000K LEDs
  • 6x Actinic 460nm LEDs
  • Uses 7 watts
  • Slim and contemporary light design
  • 2 mode on / off function for day and night use
  • Extendable bracket - 24"-30" (60 cm - 75 cm) max extend
  • Non-corrosive powder coated aluminum housing
  • Splash guard
  • 110V - 220V
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Old 10-12-2013, 11:11 PM   #6
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Quote:
Originally Posted by sansouci01 View Post
Not sure how to do that but here are the specs


[*] Dimensions - 23.00” x 5.00” x 1.00”[*] Brackets add 0.65" in height[*] Includes 78 LEDs[*] 400 Lumen[*] Super energy efficient .06 watt LEDs[*] 72x 10000K LEDs[*] 6x Actinic 460nm LEDs[*] Uses 7 watts[*] Slim and contemporary light design[*] 2 mode on / off function for day and night use[*] Extendable bracket - 24"-30" (60 cm - 75 cm) max extend[*] Non-corrosive powder coated aluminum housing[*] Splash guard[*] 110V - 220V
Being only 0.06 watts each they will not penetrate the water well and therefore not grow coral. If you want soft corals I'd try and get a fixture that has leds that are each at least 1 watt. 3 watt leds are better yet as they will penetrate the water further and grow most corals.
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Old 10-13-2013, 09:15 AM   #7
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+1. Your fixture is not sufficient.
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Old 10-15-2013, 01:23 PM   #8
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A good quality LED will produce about 120+ lumen per watt consumed. those are getting 57 lum per watt. Anything but efficient. Certainly won't support any corals.
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