Cleartides : NA200 (Alcohol Based). The Cleartides Re-circulating Nitrate Reactor NA200 are suitable for aquariums up to 200 Gallons / 840 litres. NA200 Kit Consists Of NA200 400 130 90. Also due to its pressurised design allows you to sit the reactor below the water level. allowing the nitrate reactor to sit in the cabinet while pushing the effluent back to the raised aquarium above.
eBay