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Top Marine Predator: Shark versus Octopus

Giant octypuss vs shark This video, courtesy of the Seattle Aquarium, shows what happened after the keepers moved a giant octopus into an aquarium containing five-foot sharks. In short; octopus and sharks…

AquaC XP Plus Phosphate Reactor Released

Apparently AquaC is getting into the reactor business, no longer content with just producing protein skimmers and accessories for them. They announced the edition of the Aqua C Plus Phosphate reactor. The XP Plus is built from high-quality acrylic and…

Substrates in Aquariums–Plenums, DSBs & Barebottom Aquaria

There is more then one way to skin a cat. In the reef keeping hobby this adage is axiomatic. Given that every single tank is slightly different from any other in methodology used, in how each develops biologically, chemically, and…

The winner of the 12 Gallon Nano Aquarium is…

Give congratulations to ry77 as he is the latest winner of the 12 gallon nano aquarium contest. He will be responsible for putting a “how to” thread for all of our members to read. We will have another contest up…

When New Arrivals Don’t Eat

Often a new arrival will not eat within the first 48 hours of receipt. Normally, your fish will resume eating when it has adjusted to its new surroundings and is once again comfortable. But occasionally you will come across a…

Water changes are key to a sucessful reef tank

The most time consuming and least pleasurable task that needs to be done is a water change. There has been much debate as to whether water changes are necessary or not, as well as how often and how much should…

Current Releases USA Dual Outlet Timer

Great for Dawn to Dusk Cycles Use this automatic dual outlet timer for your lights and wave-making power heads. It has a splash resistant cover to protect the timers and your 3-prong plugs from getting wet. A master on/off switch…

Win a 12 Gallon Nano Reef Saltwater Aquarium UPDATE

So if you are patiently awaiting the arrival of who won the latest giveaway for the 12 gallon nano aquarium. The winner will be announced on Sunday, May 13th. So sleep in, grab some breakfast and then login to Reef…

The octopus that can open up a bottle

Octi the octopus has surprised aquarium visitors with a very clever trick. Keepers at the National Aquarium of New Zealand have taught the cunning sea creature to open bottles to retrieve a tasty treat inside. Octi was brought to the…

Reef Geek Becomes first Reef Builders Sponsor

We would like to extend a very heartfelt welcome to ReefGeek.com. They are Reef Builders first official sponsor. They have an array of fine quality products at very affordable prices. The owner is a very pleasant person to talk to…