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$30,000 Koi Tangs hit all-time Price High
Koi tangs are some of the most coveted fish available in the reefing hobby right now, with suggested pricing at an all-time high. We’ve seen a nearly all-white Zebrasoma scopas advertised for…
What Ozone and UV do on a Reef Tank
When you are starting a new tank there are always a lot of lists of different things. There is a definite need to have a list that includes things like a protein skimmer, lights, etc. Then there is a list…
Jeff Senske uses Freshwater Design Principles to Aquascape a Reef Tank
In the Aquascaping World, Jeff Senske and his brother Mike need no introduction. They head up Aquarium Design Group in Houston, Texas, and their tank designs have been featured on the covers of books and magazines, on social media, and…
Goniopora-eating nudibranchs: A Goni Gardener’s Worst Nightmare!
As if reefkeeping wasn’t hard enough at times, and keeping Goniopora spp. Flowerpot corals in particular, we must now treat Gonis like we would treat Zoanthus or Montipora, and treat, and inspect them for predatory nudibranchs. Goniopora naturally inhabits turbid,…
Panda Angelfish will have you Playing the Species Guessing Game
We love to play the fish ID game at Reef Builders, and this week we got to play it with the dwarf angelfish from the genus Centropyge pictured here. Our first guess was that it is a hybrid, as there…
How to Care for Your Reef Tank while On Vacation
There are many terms that we reefers have come to fear: RTN, Montipora eating nudibranchs, wife seeing the credit card bill, and Fedex losing the box. Unfortunately, many of us have come to fear something that we should look forward…
Positive Pet List Would Violate International Law, says German Pet Trade Association
The German Pet Trade & Industry Association, ZZF, has voiced strong opposition to the introduction of a Positive Pet List in Germany, saying that at the first step of such a list, all pets would be banned, followed by a…
Mark’s Return from Backpacking and Raj’s Diamond-Encrusted Glove! That’s Reef Therapy Episode #70
There’s a new episode of Reef Therapy out, so make sure you watch, listen, stream, or download the latest episode to catch up on what Remy, Mark, and Raj have been up to, and spoiler alert, Raj has actually started…
Try Acanthurus tristis – The Indian Mimic Surgeonfish
Having kept all the usual tangs in our home aquariums over the years we wanted something different for our latest tank, and settled on one of the Mimic tangs, Acanthurus tristis. Like its cousin Acanthurus pyroferus, which mimics either Halfblack…
Water changes: Are you Pro, or No?
We’re sitting here while mixing up a batch of saltwater for our new 120-gallon tank. Nothing terrible has happened, our last ICP test was okay… but we like to do regular partial water changes with our reef tanks, just as…
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…
Breaking New Ground
Vibrant Corals and Fish Ushers in the First Legal CITES-Compliant Malaysian Coral Imports to the…
Tunze Launches English YouTube Channel
Known for its bulletproof pumps and German engineering, Tunze has also been big on YouTube…
