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Comprehensive Marine Quarantine - Transfer Method II and Hyposalinity

Advanced Aquarist welcomes our newest contributor, Alex Wilson. Alex describes how to quarantine marine-fish by combining hyposalinity and the "Transfer Method II" to prevent the two most common and virulent fish diseases: Ich and flukes.

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How to Grow Corals Quicker: Effects of Various Alkalinity Concentrations on Rates of Zooxanthellae Photosynthesis

For corals to grow at their best, many chemical and physical conditions must be optimized. Dana Riddle examines the effects of varying levels of dissolved bicarbonates on coral photosynthesis and growth.

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LED Lamps from Lowe's and Home Depot: Intensities (PAR) and Spectra

Walking through big-box home improvement stores, we see an increasing selection of LED bulbs. Are any of these bulbs suitable for aquaria? Dana investigates seven LED lamps.

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Product Review: Tunze Turbelle Nanostream 6020 and 6040 Propeller Pumps

From flow to power consumption, noise levels to heat transfer, Dana Riddle puts the Tunze Turbelle Nanostream propeller pumps through their paces in his extensive review.

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Feature Study: Corals as the ultimate vegans?

Can corals thrive on light and inorganic nutrients alone? Preliminary research suggests scleractinian corals require an external organic food source in addition to light and inorganic nutrients to maintain normal growth.

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Feature Article: The Great Hawaiian Coral Bleaching Event of 2015: The Untold Story

Dana Riddle reports about Hawaii's highly publicized 2015 mass coral bleaching event, its (unreported) recovery, and the science behind these phenomenons.

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Feature Article: Mesophotic Coral Reefs: Life in the Deep

We are all familiar with shallow coral reefs. Growing in warm, clear waters, these colorful ecosystems are easily accessible to divers and snorkelers alike. What is less known is that coral reefs extend into deeper waters, up to almost 200 meters. In these gloomy depths, corals have adapted to low light levels, cold water and elevated nutrients.

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Featured Aquarium: The Reef of Bruce York

As much as you can learn from reading books, magazines, blogs, and forums, nothing comes close to hands-on experience. Bruce York's journey with reefkeeping was a fraught with pitfalls and detours, but it's culminated in this beautiful 150 gallon reef.

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Editorial: Terry Siegel's 10-foot reef

Our Editor in Chief, Terry Siegel, is reinvesting in reefkeeping in a big way! After years of trying to make do with a 90-gallon reef, he realized it wasn't enough to satisfy his reefkeeping passion ... so he has restarted his famous 10-foot long reef tank.

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An Update on Symbiodinium Species and Their Hosts

Symbiodinium (AKA zooxanthellae) is the engine that spurs much of coral reef growth. From anatomy to clades, parasitic zoox to coral fidelity, Dana Riddle updates us on this powerhouse symbiont.

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Victorian pioneers of the marine aquarium

When we talk about the history of the marine aquarium, we often praise people such as Lee Chin Eng, Peter Wilkens and Jean Jaubert, who did pioneering work in the 20th century. Their innovations and vision helped give rise to the popular marine aquarium hobby we know today. What few people know, however, is that Victorian England saw an aquarium craze 165 years ago, when much ground-breaking work was done. Some of the pioneers of the marine aquarium from that time are George Johnston, Robert Warington, Anna Thynne, William Lloyd and Philip Henry Gosse. In this article, I will detail their work, including the trials and tribulations, which represents some of the early attempts to maintain a balanced marine aquarium.

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On the Giant Clams: Tridacna noae and T. ningaloo

The diversity of Tridacnid available to hobbyists has expanded in recent years, and so has the taxonomic confusion among aquarists and researchers alike. James W. Fatherree sheds light on the "new" giant clams.

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Feature Study: Effects of rock preconditioning and irradiance on growth of crustose coralline algae in aquaculture

Due to its high commercial value, live rock is a promising candidate for aquaculture. This poses interesting challenges, as our knowledge of live rock development in aquaculture is limited. The current preliminary study investigated the effects of rock preconditioning and irradiance on the growth of crustose coralline algae (CCA), a desired group of benthic calcifying algae.

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Product Review: EcoTech Marine VorTech MP40 with QuietDrive Driver

EcoTech Marine's VorTech pumps recently underwent its first major product evolution. Dana Riddle thoroughly evaluates the new MP40 QuietDrive propeller pumps for their functionality and performance.

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Coral Nutrition, Part Six: Alkaline Earth and Transition Metals

Dana Riddle's sixth Coral Nutrition article examines the effect of alkaline earth (e.g. calcium and strontium) and other metals on corals – including some rather surprising information.

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