News

Five Reefing Trends that we don’t do anymore

You need to have a good sense of humor in this hobby when you’re told for decades to get rid of nitrate, only to be told now to dose it! Here are some natural filters, fashions, and nutrient control methods…

Adaptive Reef protein skimmers come with a built-in airflow meter

Product improvement company Adaptive Reef has worked some of its magic on two new protein skimmer models. Named the A6 DC 200 and A8 DC 300, the skimmers comprise fairly standard-looking cone-shaped bodies with pipe level adjustment, only several upgrades…

Grafted Pikachu Acropora anthocercis is a rare sight

It’s the spawning season, and like every year, we spend many nights for months, doing night dives, and observing different spawning species. With coral spawning, there are many missed nights, where nothing is happening. Going from coral to coral, checking…

Cade Altumate is the ultimate sumped system for fresh or saltwater

When Cade rocked up at ReefStock in Sydney this year they brought with them a few aquariums worthy of note. First, they showed off white cabinet options for all S2 aquariums, followed by the cleverly designed Reef S2 Nano, and…

One million-liter cylinder aquarium bursts in Berlin

A massive aquarium has burst inside a hotel complex in Germany. Named the AquaDom, the walls of the 46 feet high, 264,172-gallon cylinder aquarium gave way at 5:45 am on Friday morning, at the Radisson Hotel, Berlin, causing substantial damage…

Russell Kelley Online Coral ID Workshop is back in January 2023

After overwhelmingly positive feedback from the previous workshops, the Online Coral ID Workshops are back, and now spanning 4 days. That’s 16 hours of Indo-Pacific Coral ID Training! Proper coral identification matters and this workshop will teach you all the…

Things With Stings Reef is a collection of all things venomous

Every so often reefkeepers push the boundaries of what’s possible in an aquarium. Tom Hone is one such aquarist, who through passion, drive and determination has introduced a world-class collection of venomous fish species to his 146-gallon mixed reef. His…

10 great gift ideas for reefkeepers 

Christmas is coming and nothing shows a reefkeeper you love them more than giving them a gift of something related to their hobby. Here are the Reef Builders’ top 10 reef gift recommendations: Smartphone Coral Lens A coral lens is…

Pillar Coral moved to Critically Endangered on IUCN Red List

The Pillar Coral (Dendrogyra cylindrus), has moved from Vulnerable to Critically Endangered on the IUCN Red List after its population shrunk by over 80% across most of its range since 1990. The most urgent threat is from Stony Coral Tissue…

Aquatic Gadget is Surface Skimmer, Algae Reactor, and Wavemaker in one

The Show Cheng Mold Company has shown pictures of a novel algae scrubbing/surface skimming device under its Aquatic Gadget brand. Taiwan-based Show Cheng are regulars at International Pet Trade Shows where they provide aquarium bulkheads, random flow generators, and pellet…