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What is Saltcorner?

Saltcorner is a website that is dedicated to the hobby of marine aquarium keeping and is the creation of aquarium author Bob Goemans, who has written a column of the same name for many years.

Whether you're looking for information about animals and plants/algae; for informative articles by noted aquarium authors; for product or book reviews; for photo galleries of impressive home aquariums; for information about Bob's books; or troubleshooting/advice correspondence on a wide range of topics, there's a lot of information here. And it's all free to you thanks to the generous support of our website sponsors who keep the website's lights turned on.

Use the tabs above to navigate to different parts of the website, or click on any link that catches your eye. I hope you find the site useful and informative!

Article Spotlight

Clownfish and Anemone Compatibility

By James Gasta

Photos by Robert Fenner There is a unique closeness between Clownfish and their host anemone.  The anemone provides a safe haven for the Clownfish and in return the clownfish will defend its host by driving off potential predators of the anemone.  A common mistake made by aquarists is mismatching the Clownfish to its host anemone.  Most Clownfish will not go into any anemone.  There is a certain preference for each species of Clownfish.  Some will call home to more than one specie of anemone, but do prefer certain species.  This selectivity is not always as strong in captivity, but clow...read more.

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NEW!Book Spotlight:


The 'Living' Marine Aquarium Manual



Read it HERE for FREE! No need to sign up. No catches. No gimmicks.

Photo Gallery Spotlight


See more in Bob Goemans' "60g Rotating System" gallery.
See other galleries.

Review Spotlight

Book Review of A Divers Guide to Underwater Malaysia Macrolife

By Andrea & Antonella Ferrari

TITLE: A Diver's Guide to Underwater Malaysia Macrolife AUTHORS: Andrea & Antonella Ferrari PUBLISHER: Nautilus Publishing (2003) ISBN 983-2731-00-3 PAGES: 468 PRICE: $45.00 Book Jacket Whether you're an armchair adventurer, an aquarist, or a diver of any skill level that has already viewed some of the better coral reefs in the world, this is definitely a must-have book for your library. Never has any publication so accurately and colorfully depicted the Indo-Pacific marine species that presently exist in the South China, Sulu and Sulawesi seas. This book, or possibly more correc...read more.

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Q&A Letter Spotlight

Ian Beattie writes to Bob about: Coral Health & Coral Shrinking

Hi Bob Over the past few weeks I've had problems with some of the corals in my tank. Mushrooms and Xenia are not opening and a Euphyllia coral is dying back. However a Catalaphyllia and a Duncan's coral appear to be OK and are opening out and taking food. I have had all of these corals for several months. I have a 260 litre system with live rock and a refugium containing miracle mud and Caulerpa, which I harvest to keep in check. Water parameters are checked regularly and are constant around the following values: Ammonia 0; Nitrite 0: Nitrate 10 ppm; Kh 10; Calcium 440 ppm; Salinity ...read more.

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