Use of This Lighting to Condition the Aquarium BeFore and After the Day-Light Cycle Will Reduce Animal Stress. The Corallife Actinic 03 Blue Lamp Is A 100% Blue Actinic 03 Phosphor That Peaks At 420 Nanometers. Dimensions: 36.5in X 1.5in X 1.5in. Additionally Many Marine Invertebrates Have Evolved to Depend On Blue Light, the Wavelength Which Most Readily Penetrates the Water.
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