Elasmobranch Enthusiasts (Part 3): Modern Husbandry – Filtration

From the ferocious great white shark (Carcharodon carcharias) to the graceful white-spotted eagle ray (Aetobatus narinari), Elasmobranchii are a diverse group of boneless fishes that are circumglobal, inhabiting a diverse array of habitats, temperature ranges, salinity, and niches in the…

The Many Means of Nutrient Export in Marine Aquariums

Dissolved nutrients. Sounds like a good thing, right? After all, every organism needs nutrients in one form or another in order to grow and stay in good health. So why are marine aquarium hobbyists—particularly reefkeepers—seemingly so fixated on keeping the…

Good Reasons to Use a Refugium in Your Reef System

A refugium is a safe haven for algae and invertebrates in a separate tank from the main display aquarium. These organisms provide some distinct advantages to the overall health of a reef aquarium. First off, the critters breeding in the…

Pick your algae color, Build My LED launches genius refugium LED fixtures

We usually stick with a simple 6,500K or lower light for our refugiums but Build My LED is challenging this point of view with its new line of custom LED fixtures designed with your color of refugium macroalgae in mind.…

Ixa cylindrus is a spooky purple crab for your peaceful refugium

Ixa is a small genus of crabs with very unique characteristics that separate this group from most other. The grooves that meander around the carapace are characteristic for this genus, and gives the crabs a jig-saw like appearance. The species above…

NextReef stick-on internal refugiums can also serve as fish condtioning vessels

The new NextReef stick on refugiums serve several functions, mainly as in tank refugiums, but we can imagine that they might very well serve as fish acclimation chambers. In the case that you don’t want to run your QT/ hospital…

Hongtam’s reef aquarium in Hong Kong takes the display refugium to a whole new level

The display refugiums is a neat concept in itself, but this display “refugium” takes things to a whole other level. This aquarium is  not really a refugium at all since it lacks macro algae and the purpose of nutrient export,…

inTank submersible refugium light is ingeniously simple

Those of you with all-in-one nano tanks or tight, compact refugiums have probably scratched your head when trying to find a nice and simple way to light your fuge. inTank has a nifty little solution with a submersible, low watt…

Julian Sprung’s “Refugium” is an oasis of coral and reef life

[youtube width=”670″ height=”400″]http://www.youtube.com/watch?v=WYN705Qu6_U[/youtube] If our previous video of Julian Sprung’s peninsular reef tank wasn’t evidence enough that he is an aquarist who reefs to his own wave, then this second video of his refugium coral tank ought to reinforce that…

CPR Aquafuge2 PS getting Aeroforce treatment

CPR Aquatic’s Aquafuge 2 PS is going to get a new look soon incorporating the Aeroforce protein skimmer design instead of the traditional Bak-Pak skimmer. The company is still working out the production and pricing details but it should be…