WaveReef latest Biopellet Reactor design is turbo moving of biopellet inside the chamber. The unique flow pattern helps to keep the biopellets in suspension, creating a gentle tumbling and eliminating clumping. The maintenance is easy. Controlling nutrients inside our aquariums is one of the keys to preventing nuisance algae growth. The WaveReef Biopellet Reactor is a finely-tuned fluidized filter designed to help hobbyists remove nitrates and phosphates from reef aquarium systems. WaveReef EPC biopellet reactors are computer designed, precision-cut and made of high-glass PVC.