AquaIllumination Blade Refugium SL12 High-Performance LED Refugium Light for Maximum Macroalgae Growth The AquaIllumination Blade Refugium SL12 is a purpose-built LED light designed to maximize macroalgae growth in saltwater refugiums. Featuring a specialized horticultural spectrum of red, royal blue, cool white, and 430nm LEDs, the Blade Refugium promotes rapid macroalgae growth to enhance natural nutrient export and improve overall aquarium water quality. With AI's innovative EdgeField™ Optics, the SL12 delivers smooth, even light distribution across your refugium while minimizing hotspots. Its slim, fanless, IP66-rated design ensures silent operation and long-term reliability in humid aquarium environments. Recommended Refugium Size Light Length: 30.7 cm (12.1") Power Consumption: 20W Ideal for small refugiums and sump chambers up to approximately 30 cm (12") long Best suited for growing Chaetomorpha, Caulerpa, and other nutrient-export macroalgae. Key Features Optimized horticultural spectrum for macroalgae growth EdgeField™ Optics with 95° spread for even PAR distribution Silent passive cooling with no fan noise Slim, low-profile aluminum housing IP66-rated for water and dust resistance Built-in smart control via Mobius® and myAI® apps Compatible with Neptune Apex® using the MXM module Includes Low Profile Tank Rest mounting system Multiple optional mounting solutions available