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The Role of Magnesium in Marine Aquarium Chemistry
One of the big differences in moving from freshwater systems to saltwater systems is a greater emphasis on water chemistry. There is a pretty steep learning curve to get a handle on…
Adventures in fluorescent photography in the Flores Sea
On our recent diving marathon during the Fluval Sea Flores Expedition, we brought with us many different tools for sampling and observing the natural reef environment. One particularly special device which we came into possession just in time for our travel…
Giesemann Galaxxy 500 high powered light is truly a constellation of LEDs
The Giesemann Galaxxy 500 LED is a new high powered LED light from the respected German manufacturer which is packing a lot of high technology before and after the point of light generation. The Giesemann Galaxxy is truly an apt…
The bubble coral shrimp, Vir philippinensis
Spending time under water, we learn so much about the animals we care about. We even discover animals that we never heard of that live among the exact same coral that we have in our tank at home. The Bubble Coral…
The Powder Blue Tang: An Iconic Beauty Demanding Exceptional Care
The powder blue tang (Acanthurus leucosternon) is a breathtakingly beautiful, widely recognized (even among non-hobbyists) marine fish that can be a real pain to maintain in aquaria. While it is possible to keep one successfully under ideal conditions, most specimens…
Radion XR15w Pro hands-on and comparison with larger XR30w
The Radion XR15w Pro LED may be a smaller LED light from Ecotech Marine, but it’s still packing the whole suite of features which has made the Radion such a successful LED reef aquarium light. Priced at $449 for a…
Ecsenius bathi, the blenny from Komodo and the Flores Sea
Among blennies the genus Ecsenius includes some of the most colorful, personable and aquarium-suitable species. Species like Midas and Bicolor blennies are part of the mainstay of marine aquarium fishes while others like Ecsenius pictus, Ecsenius tigris and Ecsenius oculus are…
Convict chalice Echinophyllia documented in its natural habitat
Convict chalice corals are specimens of Echinophyllia plating colonies with a very distinctive series of stripes running usually from the edge of the oral disc (mouth) to the colonie’s edges. The lines of convict chalice corals can be very dark, or…
Navigobius dewa is the undisputed queen of dart fishes
The pseudo-legendary Navigobius dewa weaved its way into the hearts of rare fish lovers alike back in 2009 when it was described, with its scintillating, almost alien-techno-raver-laser pink and purple coloration. Since then, very few pieces have entered the trade,…
5 Ways Hobbyists Misuse Grazing Marine Snails
Of all the fascinating invertebrates available to marine aquarists, grazing snails are perhaps the most misused. Too often we treat them like expendable little lawnmowers, plopping them in our tanks with the express purpose of preventing or eradicating algae and…
Video: How to Set Up the Red Sea Complete Reef Care Program
When Red Sea changed its popular dosing system from seven parts to a controlled ratio…
A whopping 62 species reported as new from the Coral Sea Marine Park
Reef Builders Alumni and master ichthyologist, Yi Kai, has teamed up with a star studded…
BYOGuides Announces New Workshops
Russel Kelly has created an iconic set of Be Your Own (BYO) Guides which serve…
Tunze Launches English YouTube Channel
Known for its bulletproof pumps and German engineering, Tunze has also been big on YouTube…
