For aquariums from 100 to 600 liters (26 - 159 USgal.). Flow rate adjustable from 1,000 to 2,400 l/h (264 - 634 USgal.). Energy consumption of the pump: approx. 10 to 31 W Energy consumption of the LED: 9 W Measurements of the reactor (L x W x H): 233 x 195 x 422 mm (9.2" x 7.7" x 16.6") With Comline® pump 2500 electronic and Turbelle® Controller basic 7090.200. Functions of the TUNZE® algae reactor MAR 3181: - Cultivation of algae in seawater and plants in freshwater - Biological detoxification of ecosystems by algae / plants - Reduction of nitrate and phosphate content - Filtration of the aquarium water - Production of food supplement for fish - Zooplankton refuge, serving as food for corals and fish - Enrichment of the water with oxygen