A refugium helps control nitrates and phosphates in a natural way by providing space for macroalgae to grow.  Macroalgae will compete with nuisance algae within the aquarium, and assist your filtration system in cleaning up the water column. 
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The HOB-R will also harbor many beneficial invertebrates which consume uneaten food or detritus. Invertebrates such as copepods and amphipods can be found living in the sand and liverock in many aquariums, however, these invertebrates can often diminish in numbers as they are preyed upon by inhabitants.  Adding a refugium will shelter these tasty fish snacks, ensuring that there is a colony consistently providing to the food chain and helping in the break down of organics, in safety. 
 

• Large Capacity ( 10L approx.)​

• High-Quality Sicce pump for quiet operation​​

• Baffle housing allows use of a sand bed in the refugium

• High quality polished body​

• Large viewing panel on the back for monitoring algae growth

• Slotted pre-outlet helps keep macro-algae from escaping into the display

• Outlet sponge helps keep microbubbles from entering the aquarium

• Quick-remove inlet for easy maintenance