Corals Spawn More Than You Think! Video Of Coral Spawning In Bonaire
Caribbean Coral Spawning It's that time of year again when corals around the Caribbean synchronize for one night of release. But did you know coral aren't restricted to a single night of spawning each year? It is widely believed that coral…
Horniman’s ‘Lab Grown’ Tenuis Acros Are The REAL Limited Edition Corals!

For the last twenty years a certain subset of wild corals have been deemed to be ‘limited edition’, but since these come from the boundless ocean, how limited could they be? Well today we have what is perhaps one of…

The Homewrecker Tenuis In Perfect Coloration Is Jawdropping

The Homewrecker and Walt Disney Acros, both Acropora tenuis, are hands down some of the most sensational looking SPS strains the hobby has seen ever. No doubt that many of the photos of these corals floating around the internet have been manipulated…

Bangka Island Has A New Dive Site, And You’re Gonna Love It!
Tanjung Merah Earlier this month we had the chance to dive around Bangka Island with Sulawesi dive guru Danny Charlton, and he made sure to pick out the cream of the crop for our exploration dives. What really keeps me excited…
Reef Builders Travelogue, Bunaken National Park, Sulawesi Indonesia

Reef Builders Destination Sulawesi Indonesia Here at Reef Builders we are fortunate to dive some of the worlds most lush and vibrant coral reefs, so last year we decided it was time to invite our readers along for the journey.…

Indonesian Coral Diaries – Isopora palifera

Isopora palifera is easily one of the most recognizable corals throughout the Indo-Pacific. If you are just starting to learn coral identification Isopora is one of the easiest corals to spot. Isopora forms robust colonies with thick blades, and the…

Taking Control Of Calcium, Alkalinity and Magnesium

One of the things that fascinates me and probably helps fuel my passion for the hobby is that I have been able to watch and learn through the years as we have gotten better at just about every aspect of…

This Eastern Indonesian Reef Is Dominated By Shrooms
It was one of these mornings when the sea is like glass. A few days before, a collector mentioned to me about a reef, which was covered by ‘thin mushroom anemones’ aka Discosoma sp. No need to talk further, I…
Some Of Jason Fox’s Personal Favorite Corals

In the United States Jason Fox’s name has become synonymous with very unique and collectable corals. If that’s what you’re into, then visiting Jason’s own tanks is like visiting a boutique of fine coral shopping and propagation. I had the…

What Temperature Is Too Hot For A Reef Aquarium?

Since we’re in the middle of the summer, it’s no surprise that temperatures are rising for everyone in the northern hemisphere, and the tanks that live there. It’s about this time of year that we get a lot of questions…