Spectra SP20 Refugium Light


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Spectra SP20 Refugium Light

The Spectra SP20 Refugium Light with its advanced technology and innovative design, is perfect for both novice and experienced aquarium enthusiasts. 

Designed for the unique needs of refugium setups, the Spectra SP20 Refugium Light is optimized to support macroalgae growth and overall nutrient control. With its maximum output power of 20 W and dual channel control, this lamp provides the ideal spectrum and intensity to promote the growth of beneficial macroalgae, help maintain water quality and promote a thriving refugium ecosystem.

The built in timer can be set to operate for 6, 8, or 10 hour run times. The timer is set at the desired start time, and it will automatically shut off based on your selection.

How To Use It?

  1. Mount the light to your aquarium using the built-in goose neck mount and secure the screws firmly.
  2. Plug the power supply into your light, then plug the power supply into the wall, in that order.
  3. Press the power button to turn your light on or off.
  4. Adjust the intensity and colour spectrum by pressing A or B. Each press changes the output by 10%.
  5. If desired, set the timer to 6, 8, or 10 hours by pressing the clock icon 1,2 or 3 times. Make sure you set this at your desired ON time. The light will automatically run for the prescribed time each day. For example, if you set your light to 6 hours at 9:00 AM then it will shut off at 3:00 PM and turn back on at 9:00 AM the next day.

Light Indicator:

Blue indicator 6H: the product works ON 6H, OFF 18H
Green indicator 8H: the product works ON 8H, OFF 16H
Red indicator 10H: the product works ON 10H, OFF 14H


  • Model: SP20 Refugium
  • Power: 20w
  • Lamp Type: SMD LED
  • LED: Mixed RB
  • CH A: 2 x Red 625nm 5w
  • CH B: 1 x White 6500k 5w + 1 x Blue 470nm 5w
  • Light Dimensions: 90mm x 25mm
  • Arm Length: 250mm
  • Max Glass size: 15mm
  • Cable Length: 200cm