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Many reactors are used to remove excess nutrients. A nano media reactor, which is often internal, works on a smaller scale. A GFO and carbon reactor fluidizes media to remove waste. A carbon reactor fluidizes carbon to maximize waste removal. A GFO reactor removes phosphate to fight nuisance algae, while a macroalgae reactor (chaeto reactor) uses light to grow algae in a designated area.

A calcium reactor uses CO2 to melt calcium reactor media (crushed coral) for coral growth. A kalkwasser reactor attaches to an auto top-off system to promote coral growth. A biopellet reactor feeds bacteria that then eat waste and feed corals.

Want to find the best GFO carbon reactor? Contact our aquarium experts and we’ll help you buy the best media reactor.


Two Little Fishies

Two Little Fishies ReMag

From $21.41

Two Little Fishies GFO Phosban Reactor 150
AquaMaxx BioMaxx XL BioPellet Reactor
Flow Control Pinch Valve


Nyos TORQ Media Reactor 2.0 Body
AquaMaxx Sigma-2 In-Sump Media Reactor