Tropic Marin 53105 Bio-Actif Reactor 5000

With a filter media capacity of 5 liters, the Bio-ACTIF Reactor 5000 is suitable for aquariums systems up to 400 gallons. It's small size allows it to be put in line for water returning to the sump doing away with the need for any additional pump. Made for use with Tropic Marin NP-BACTO TRICKS it can also be used with zeolite or other trickle filter media. We recommend a flow rate of 400 gallons/hour. This is the most effective way to lower nitrate and phosphate levels in larger aquaria.