This is an update of my 2016 article that examines some testing methods to evaluate synthetic seawater, some of which can be done at home. A short history and list of sea salts is also given. Please note - this is NOT a review of brands sea salts, only some ways to make the reviews yourself.
Aquarists often have difficulty photographing animals in their aquariums. Not only do they have the same problems as other photographers (flash reflection off the glass, issues with white balance, fast moving subjects, etc.) they have the added difficulty of distortion caused by much thicker...
Routine analysis of aquarium water for total bacteria in smaller public and private
aquariums is rarely performed. However, many large aquariums monitor their fish and
invertebrate water systems for this parameter, especially if they already have the required
techniques in place due to...
Our aquarium animals are wholly dependent on the care we give them for their continued good health. Proper environmental care is of course paramount; good water quality, excellent diet, proper aquarium size, compatible inhabitants, etc. Obviously, controlling disease is also a major factor...
Tube Feeding Techniques for Fish
Syringe with catheter attached.
Here is an all too familiar scenario: an aquarist faced with trying to care for a new, expensive fish that tragically refuses to accept any food. Common sense dictates that fish need food in order to...
Hydrogen peroxide usage report
April 3, 2021
I use 7% hydrogen peroxide for my home water treatment system. Therefore, since I always have this material in the house, I wanted to explore other possible uses for it, including:
Estimating the Need for Swimming Space for Aquarium Fishes
For those not wishing to read the entire article, here is the basic formula for calculating the swimming space needs for active swimming species (tangs, wrasses, fusiliers, etc.)
Look up the maximum adult size of the...
Food for Thought
Potential Pitfalls of Using Utility Organisms (CUC) in Aquariums
Aquarists often add “utility organisms” (animals not just for use in a purely decorative sense) to their aquariums to serve some beneficial function. These are often called CUC (Clean Up...
This file is a PDF copy of the book, "Aquarium Careers" written by Jay Hemdal
It offers some advice to people interested in aquariums as a career. What is a “Job”, what is an “Occupation”, and how might they differ from a “Career”? To me, a job is something distasteful that you must do in...
Red Band Syndrome in Marine Fishes:
Potentially Caused by the Protozoan; Uronema sp.
This moderately common disease of certain species of marine fish is so often misdiagnosed that most aquarists apply incorrect treatment methods when attempting a cure. Symptoms...
This article discusses aquarium inventions, a bit of history and future thoughts. It is offered just as a way to get DIYers thinking about expanding on their ideas. Includes an interview with John Kuhns, the person who invented Novaqua and Amquel.
The Harlequin Tuskfish – All Dressed Up, but Anywhere to Go?
Arguably one of the most colorful Pacific reef fish, the harlequin tuskfish is often the premier subject for underwater photographers, and is commonly used as a subject by artists who portray the coral reef environment...
Activated Carbon as a Cause of Head and Lateral Line Erosion (HLLE) in Marine Aquarium fish
Head and Lateral Line Erosion (HLLE) is the name for a type of skin erosion that affects some species of marine fishes in captivity. It is occasionally referred to as...
Proper Dosing of Medicated Foods
Oral medications are an excellent way to target internal diseases of fishes. Marine fish absorb aquarium water, so in certain cases, they “drink” enough medication from the water to effect a cure. However, freshwater fish actively export...
Flashlight Fish in Captivity
Flashlight fish, with their eerie green glowing photophores (light emitting organs), are arguably one of the most unique fish available to marine aquarists. One of only two families of fish kept in aquariums that are bioluminescent...