Kessil H360X Tuna FloraIt's never been easier to get the massive macroalgae growth you're looking for! Using a quality light source with proper spectrum and intensity to grow algae makes a huge difference in effectiveness of the refugium for nutrient export, and we have seen some of the most impressive results with Kessil's H series lights. Up to now though, we have been adapting this lighting from the horticulture industry. Now Kessil has delivered a light built for our