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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

Q&A - Oxygen

By Rob Toonen

Hi, I recently had my water tested at a local petshop, and was told that although everything else tested great, the salinity of my tank was too high. I asked what the reading was, and was told that it was “way up” at around 35 parts per thousand (or roughly 1.026 for specific gravity). I tried to explain that was the salinity at which I normally keep my tanks, and was told that "at that salinity the available oxygen in your tank will be so low that it will likely kill your fish." I must admit that I was shocked to discover that the natural salinity of seawater was “too high” a...read more.

See other Articles.

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 Frank Rossi's "120g Plenum System" gallery.
See other galleries.

Review Spotlight

Product Review of Algae Mower VAC

Manufactured by KLB Products

This item was first seen at one of the many ‘company products’ booths at the 2012 DFW MACNA! When first seen, said to myself “WOW, an aquarium Weed Eater!” After seeing it demonstrated, came away quite impressed with its capability, clever design and that its far more than a single tool for removing unwanted algae or trimming desired algae, as it can also be used for trimming corals that may be growing too close to each other (soft or hard), possibly removing aiptasia pest anemones, and a gravel cleaner in several different ways, all without getting your hands wet. And possibly the bes...read more.

See other Reviews.

Q&A Letter Spotlight

Colby & Jordan (London, Ontario) writes to Bob about: Nitrate Problem & Protein Skimmers

Dear Bob, We have read your book on protein skimming and activated carbon and we have a few questions. We have a 46 gallon marine aquarium with 55 lbs. of live rock. There is no substrate and we have been using a Eheim canister filter with only pads for mechanical filtration. We have never used any type of media in the filter. The tank has been running for about 6 months now and contains 1 Picasso Trigger, 1 juvenile Clown Trigger and 1 Black Damsel. There are no invertebrates. The fish are fed mysis shrimp and krill four times a day. As of late we have been having a difficult time with o...read more.

See other Letters and Answers.
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