A collection of six spectacular reef tanks which deserve a second look

We love rare fish, exotic corals, and fancy new reef aquarium gear, but the best part, the real point of it is how it all comes together to create a beautiful reef tank. We’ve seen a number of spectacular reef…

Indonesian BPKM official threatens to stop issuing live coral permits

Indonesia is far and away the largest supplier of beautiful and diverse coral for the global marine aquarium trade than anywhere else in the world. live corals as so inextricably associated with Indonesia that when we were a wee young…

No Need For Speed

As we have all undoubtedly been told Patience is a virtue and all good things come to those who wait. However, when every piece of information we could ever want is at our fingertips and we can have anything we…

An introduction to coral crabs, good and bad

There is surprisingly little information specifically about coral crabs in aquaria.  Every now and then some hitchhikers arrive on our aquacultured and wild corals and we are able to gain a bit more insight into the life of coral crabs. Some crabs…

Deeper look at some recent deep water acros

Let’s face it, as SPS lovers most of us we started out loving the polyp waving, the bushy, skeleton burying acros like the ORA Chips or the many varieties Acropora millepora. But over the years we’ve been privileged to see…

Reef Builders Instagram Eye Candy

In case you haven’t heard, Instagram is an easy way to share pictures and videos and Reef Builders has been at it for a while now. We’ve built up a whole lotta great pictures and videos on the Reef Builders…

How to grow the most colorful SPS corals

During the course of history men have always searched for the unobtainable. The knights of King Arthur searched for the Holy Grail, Captain Ahab obsessed about a white whale, in similar fashion we hobbyists have been searching for how to…

New insights on eradicating the dreaded Acro Eating Flatworm

Acropora Eating Flatworms aka AEFW aka Amakusaplana acroporae are the bane of SPS coral keepers, especially those of us with a penchant for Acropora species. Acro flatworms can turn an otherwise perfect reef system into an nightmare for the Acros in our…

Aquacultured stony corals and Acros now coming directly from Australia

Australian corals have been lighting up the reef aquarium hobby for about eight years now, and Australia is probably the number one source for brilliant, shallow water Acropora in the hobby. With only wild colonies to work with, the job…

Mizune has a perfect little reef tank

With so much of the American reefing hobby getting caught up in collectoritis of fuzzy sticks with silly little names, we turn to Japan for an example of what a beautiful reef tank is supposed to look like. Beauty is subjective but any…