http://www.bulkreefsupply.com/reactor... Designed to be easy to use, setup and maintain the BRS fluidized reactor is perfect for utilizing GFO or Carbon in the aquarium.Our reactors are not only easy to use, but they do away with annoying thumbs screws and the leaky lids common with other reactors.ttp://www.bulkreefsupply.com/reactor... Designed to be easy to use, setup and maintain the BRS fluidized reactor is perfect for utilizing GFO or Carbon in the aquarium.