We are still flabergasted as to how Red Sea was able to cram so may features and innovations into the RSM250 while keeping the overall assembly and operation simple and idiot-proof.Â The first things that struck is is that there are 3 pumps! As an author on reef aquarium water flow, it touches the core of my reefing heart that the Red Sea engineers included a primary circulation pump rated over 600gph/2400lph and a secondary circulation pump rated over 300gph/1200lph! The primary pump draws water through the standard chemical/mechanical/biological filtration and the secondary pump appears to draw water through the protein skimmer and the accessory chamber. Not only is this a very generous amount of flow but having two pumps adds a level of redundancy which would protect the reef animals in the case that one pump should fail. The protein skimmer is driven by a beefy pump which injects air via a unique perforated needle-wheel with a range of pin sizes. The protein skimmer has a turbulence reducer wedge, a thick air feed line which is kept close to the skimmer body and directed towards an integrated silencer/muffler and air control valve. As if all these bells weren’t enough, the riser tube has a few features to encourage consistent foam productionÂ whether the skimmer is running dry or wet. Pictures in the gallery below of all the components mentioned above.
Jake Adams has been an avid marine aquarist since the mid 90s and has worked in the retail side of the marine aquarium trade for more than ten years. He has a bachelor’s degree in Marine Science and has been the managing editor of ReefBuilders.com since 2008. Jake is interested in every facet of the marine aquarium hobby from the concepts to the technology, rare fish to exotic corals, and his interests are well documented through a very prolific career of speaking to reef clubs and marine aquarium events, and writing articles for aquarium publications across the globe. His primary interest is in corals which Jake pursues in the aquarium hobby as well as diving the coral reefs of the world.