Corals

We all know that aquarium corals do great with blue lights. However, less is known about red light and its role in coral growth. There is a common debate claiming that red light contributes to the photosynthesis of algae, and is therefore essential for corals as well. However, some researchers argue just the opposite. So, …

We all know that blue light is a common practice in reef tanks. Some aquarists even claim it makes their corals glow brightly. But how do corals actually react to blue light? Is it good to use this color in a coral tank? These are the questions I constantly asked myself in my early days …