The BioSmart 7000 is designed in Germany by OASE engineers offering the perfect cost effective, entry level filtration solution for garden ponds up to 7000 Litres (approximately 1550 Gallons). The integrated Ultraviolet Clarifier will tackle suspended algae (green water) producing crystal clear water clarity.Max. pond volume 7000 litres (no fish); 3500 litres (average fish stock e.g. goldfish)Integrated 9 watt ultraviolet clarifier with indicator light for green water removalAchieves a healthy pond eco system with clear, algae-free, oxygen-rich water
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