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A Reefkeeper’s Guide to NPS Corals

NPS coral specialist Florian Gaudig gives us the lowdown on how to select NPS corals, which ones we should try, which ones we should avoid, and what to feed them. Many new and seasoned reefing hobbyists find themselves struggling when…

Hydros Maven will test Alkalinity, Calcium, Magnesium, Nitrate, and Phosphate Automatically

CoralVue has added a new Auto Water Tester to its Hydros controller range called Maven. Named after “one who is experienced or knowledgeable,” Maven will be able to automatically test the big five reef aquarium parameters –  Alkalinity (KH,) Calcium,…

FAQs on Reef Aquarium Bacteria

There is so much we don’t know about the bacteria we buy and add to our reef tanks. Salem Clemens answers some of your most Frequently Asked Questions on Reef Aquarium Bacteria. Is it possible to keep bacteria alive in…

Reef Safe Angelfish: What’s the Secret?

Have you ever owned a reef-safe angelfish? A hot topic of discussion that has yet to be answered. If you peruse the forums, you will find yourself reading a multitude of different opinions. Some believe they will get lucky and…

The Past, Present, and Future of Torch Corals, Euphyllia glabrescens

Known for their dazzling colors, swaying tentacles, and propensity to sting nearby corals, the Torch Coral, Euphyllia glabrescens, has been a staple of the reef aquarium hobby for decades. And given the continuous discovery of new varieties, this species will…

Hawaiian Fish Under Threat Once Again – Fight For Them Today!

The beautiful Potter’s Angelfish that’s on the permitting list Around one year ago, Hawaiian Senate Bill 505 was voted down, which opened a legal pathway for the collection of eight marine fish species. As mentioned in our previous article, the…

Ostorhinchus Cardinalfishes are suitable for reef tanks of all sizes

When we speak about cardinalfishes within the reef aquarium hobby, most people relate to the classic Pajama Cardinalfish, Sphaeramia nematoptera, or the Bangaii Cardinalfish, Pterapogon kauderni, which have been popular fish for reef tanks of all sizes for decades now.…

Levi’s Deepwater Reef Tank

Deepwater organisms have always had a special place in my heart. In this article, we are going to explore my “Deepwater Reef”.  First things first, what is generally considered to be “deepwater”? Many people have their opinions on this, but I…

Our April Fool’s Day Joke Was a Little Too Convincing!

We kicked off the week with an April Fool’s Day Joke that took the reefing world by storm. Salem Clemens wrote an article “sharing his research” about dosing peanut butter in the reef tank. It seems it was a little…

Reef Diving FAQs

Do you own a reef tank and want to take the next leap in learning? Are you traveling to a coral reef destination on vacation? Windsor Adams answers our frequently asked questions on Learning To Dive. Do you need to…