An Ultra-Low-Nutrient System for Acropora and other SPS

Welcome to the next level of coral care. By now I am assuming you have at least understood all the key general practices to maintain some of the hardier corals, from soft corals to large-polyp stony (LPS) corals to some…

MaxSpect Gyre XF180 to be unveiled at MACNA

The Gyre XF180 is the newest and largest new model to be officially revealed by MaxSpect, and it will be formally displayed at MACNA 2015 in Washington D.C. next weekend. The FX180 marks the third new model of powerful Gyre…

Pocillopora Corals: Hardy, Adaptable Reef Architects

You may not be aware, but Pocillopora, despite being among the less popular stony corals in the reef aquarium hobby, are second only to Acropora in reef-building productivity in the wild. Their skeletons make up a huge portion of the…

The Flowave is a real life wavemaker

If you wanted to build the ultimate water flow creating aquarium, it would look something like the Flowave, a huge circular flow generating pool that is in a league of its own. The Flowave is 5 meters deep, 25 meters in…

How do you create flow in a 20,000 gallon reef tank?

Much in the same way you light up a 20,000 gallon reef tank, creating flow in such a massive water feature relies on the whole gamut of water motion technologies. Just about every kind of water movement device is employed…

Hands-on with the PRS Corrente digital flow sensor

The Corrente Flow Sensor from PRS Japan is an exciting new aquarium accessory which is the first of its kind for the aquarium world. Consisting of two separate parts, an inline sensor which comes in a range of sizes up…

5 Signs of Inadequate Water Movement in Reef Aquariums

Proper water circulation is one of many elements that are key to maintaining a healthy reef system. While there’s no such thing as a one-size-fits-all water-flow scheme (you really have to tailor the flow to the unique needs of the…

Gyre Flow: What a difference ten years can make

The year is 2003 and I was just starting to delve into the first year of real marine science courses like ecology, oceanography, and fluid dynamics. At that time I’d already been keeping marine aquariums for 8 years and i was…

Leptoseris A Stunning Newcomer to the Reefkeeping Scene

When you have been in the hobby a long time, you tend to see a lot of the same things over and over again. I often become desensitized to some of the most beautiful fish in the world because I’ve…

Trachyphyllia geoffroyi: Practically Perfect Open Brain Coral

“Open brain coral” is a common name applied to a wide variety of coral species belonging to several different genera. But if you ask my opinion (well, even if you don’t, I’m going to offer it anyway), Trachyphyllia geoffroyi is…