Iodine In Marine Aquariums

The hobbyist literature contains numerous references to the benefits of adding Iodine to the marine aquarium. Iodine is found in natural seawater at concentration of 0.06mg/L, in our saltwater aquariums it removed by protein skimming and by activated carbon filtration.
The Iodine is essential to many fishes and invertebrates, for example certain corals that pulsing movement [...]

Boxfish and porcupine fish

These fish have a distinctive appearance, and can become surprisingly tame in an aquarium surroundings. Characterized by a lack of streamlining, they can’t swim quickly to avoid danger. They do however have other means of protection, such as sharp spines of the porcupinefish.
Take special care when catching and handling these fish of this group, [...]

Starfish, Urchin and Sea Cucumber (Echinoderms)

Echinoderm meaning spiny skin is a feature shared by most species in this group, another character they all have is the radial symmetry, meaning the body can be divided into five similar parts around a central axis, more commonly known as starfish, sea urchins and sea cucumbers.

Over 6,000 echinoderm species have a water vascular system [...]

What is Water Quality?

We all mention “maintain good water quality” or “that fish needs prefect water quality”. So what’s water Quality? Water Quality may be defined in terms of the biological needs of its inhabitants of the aquarium.
If the physical and chemical parameters of the marine water are within acceptable ranges for the community of species housed in [...]

Marine Aquarium Water Quality Parameters

Marine environments are extremely stable, particularly where corals live. Significant deviations outside the range given for any of the parameters may lead to problems in the aquarium.

Temperature: 74 to 82F (23-28 C)
Salinity 34-36 ppt (1.0250-1.0270)
pH 8.15-8.6 (optimum 8.2-8.3)
Alkalinity 2.0-5.0 meq/L (6-15 dKH)
Ammonia (NH3)-zero
Nitrite (NO-2)-zero
Nitrate (NO-3)-<20 mg/L (as nitrate ion)
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