General Saltwater Aquarium

A shipwreck off of Honduras. This is a royalty-free image from Pixabay. Artificial reefs are something we hear about on a regular basis. There is a growing interest in creating artificial reefs for a few reasons: because of the destruction of natural reefs, which is hopefully slowing down, and...

Simon Ellis (R2R member @ca1ore), a Connecticut reefer with 30 years of experience, is a frequent contributor to the Reef2Reef Articles Section. He recently wrote the article about building your own Algal Turf Scrubber (ATS), and the article about automatic water changes. He's the perfect...

The class, Cephalopoda, falls under the phylum, Mollusca. While cephalopods are not commonly kept in home aquariums, they remain an extremely diverse and interesting group. Many of the cephalopods are very short-lived (octopus), many are very difficult to keep alive in captivity (squid), some...

From time to time I like to reflect on what I’ve been through during my reefkeeping years. From almost day one of this marvelous hobby, I was told, “You have to have patience” or “If you don’t have patience then you might as well stop." This got me thinking as of late. A good friend of mine...

Live rock. This photo is a royalty-free image courtesy of Adrianna Calvo from Pexels This is an article for beginners. Since I didn’t see a sticky or article on this topic, I decided to tackle it myself. There are lots of differing opinions on how to cure live rock, and I’m going to explore...

Book Review: What a Fish Knows: The Inner Lives of Our Underwater Cousins by Jonathan Balcombe Publisher: Scientific American / Farrar, Straus and Giroux; First Edition (stated), First Printing edition (June 7, 2016) Language: English ISBN-10: 0374288216 ISBN-13: 978-0374288211 ~Longlisted...

Beginner Series #2: How and Why Do Water Changes Work? What Happens If They Don't Work? Or How to Attain Majchrzak Status This article is to provide beginners with baseline knowledge of why and how water changes work and when they fail in restoring critical water parameters, so that dosing...

As all serious reef aquarium hobbyists know, light intensity is an important consideration for a successful captive reef. This short article will examine how light intensity decreases as water depth increases in an aquarium the depth often maintained by hobbyists. The Swedish researcher Nils...

The author's 90G reef aquarium. Photo is from the Reef2Reef archives and courtesy of Greg Gdowski, ©2019, All Rights Reserved. We put a lot of chemicals into our tanks. Many manufacturers tell you to base additions of these chemicals on your tank's volume – but what is that anyway? What is...

Water This photo is a royalty-free image from Pixabay. “Water, water, everywhere, And all the boards did shrink; Water, water, everywhere, Nor any drop to drink.” Samuel Taylor Coleridge, from The Rime of the Ancient Mariner. For the benefit of beginners, I think it's time for a Water Change...

Map of Kenya This map is a United Nations map and considered to be part of the public domain. If you rank the countries in Africa by geographical area, Kenya is the 23rd country of 55, with an area of about 224,000 square miles, or slightly smaller than Texas. Kenya has a coastline of about...

Blue Tridacna crocea. Photo courtesy of Acro Al, ©2018, All Rights Reserved. Within modern taxonomy, currently the "giant clams", bivalve molluscs, are in the subfamily, Tridacninae, under the family, Cardiidae (the cockles), although some scientists still argue that these clams should be in...

This tank was Reef of the Month in January 2018. Pretty spectacular, eh? Photo from the Reef2Reef archives courtesy of forum member robert s. b. ©2018, All Rights Reserved. At R2R, we suspect there are plenty of freshwater aquarists contemplating a change to saltwater. There are likely...

Photo courtesy of the Reef2Reef archives, ©2018, All Rights Reserved. 'Twas the night before Christmas, when all through the house Not a creature was stirring, not even a wrasse; The stockings were hung on the live rock with care, In hopes that St. Nicholas soon would be there; The fishes were...

So, here's our first crossword. I recommend printing it out and enlarging it if possible, both the puzzle and the clues. If you see two numbers in a box, separated by a dash (-), the first number is across and the second number is down. The puzzle was started with a simple (free) crossword...

Today's article is brought to us from R.L., who we profiled recently. He has more than 15 years of experience keeping reef tanks, and he also has the good fortune to live on the west coast of Florida on the Gulf of Mexico. In his own words, you can read about beachcombing and wild collecting...

The Pacific Ocean Photo is a royalty-free image from Pixabay. Okay, one more time. If at first you don’t succeed, try try again. Some years ago, Uninja, with the help of forum members Raggamuffin, Wy Renegade, Swannyson, Skinz78, Tabasco 1, Jordan 3548, fsu1dolfan, Stray40, and Rayzback...

A view from inside the World Wide Corals store in Orlando, Florida. Photo is from the Reef2Reef archives courtesy of World Wide Corals, ©2018 All Rights Reserved. We thought it would be interesting for our readers to take a closer look at our sponsors. So, we’re going to profile them and help...

A large aquarium Photo from the Reef2Reef archives courtesy of Tusi, ©2018, All Rights Reserved When you’re setting up a new tank, aquarium liability is probably the last thing on your mind. And no one is going to force you to get a specialty policy to cover your aquatic wonderland. But...