When you decide that you want to have your own aquarium fish tanks, one of the most important things that you need to control for your fish is the temperature of the water. One of the primary parameters for the watery environment of your fish is water temperature, and aquarium heaters serve to keep the water temperatures stable. Aquarium heaters are a must to be sure that fish tank water temperatures are stable.

Seasonal fluctuations do effect the water temperature of many natural fish habitats, so many fish species do have a degree of tolerance to fluctuations in water temperatures. But with aquarium-raised tropical fish, it is best to use aquarium heaters to keep the temperatures from fluctuating too much.

aquarium heaters
Aquarium heaters are simple and basic devices that generate heat so that proper water temperatures can be maintained in fish tanks. An aquarium heater is actually comprised of two components: the heating element and the thermostat. This allows you to have control over the device and set the correct temperature for the type of fish you have in your tropical fish tank.

Just like the thermostat in your home, the thermostat on aquarium heaters can be set to pre-determined settings for temperature. When the water temperature dips below the thermostat setting, the heating element will turn on to bring the water back to the temperature zone desired for your tropical aquarium habitat. As the temperature of the water rises, the thermostat will also disengage the heating element when the water reaches the proper temperature.

The most common of aquarium heaters use a long glass tube, similar to the shape of a cigar, to house the heating element and the thermostat. Typically the heating element is located at the bottom area of the tube while the thermostat is placed above and is closer to the surface of the tropical aquarium water.

fish aquariums
Aquarium heaters come in a number of different wattage ranges. The wattage of the aquarium heater will determine how much heat can be generated. Of course, this output capacity effects how much aquarium water will be effectively heated, so you must choose the right heater for the size of your tropical fish tank.

There are guidelines printed on the packaging to help you choose the right aquarium heater for your situation. For larger tropical aquariums you may need to utilize two or more aquarium heaters.

It is very important to select high quality aquarium heaters because if they malfunction, the water in your tropical fish tank could either overheat or become too cold. Such drastic changes in the temperature of the tropical fish marine environment can create disastrous consequences for the population of tropical fish in your care.

Recently some of the high-end aquarium heaters have begun to offer five year guarantees, which are effective if the unit is used according to manufacturer specifications and guidelines.

tropical fish aquarium
But, no matter how long the warranty on an aquarium heater unit is good for, it needs to be understood that the manufacturer will only replace the heater if it stops working correctly. No matter what type of guarantee the aquarium heater manufacturer offers, it should be understood that the guarantee does not cover any loss of fish in your aquarium if the heater fails, but only guarantees replacement of the heater itself.

Saltwater aquarium fish are some of the most interesting and captivating of the different kinds of fish that you can have in aquarium fish tanks. Saltwater fish come in such a vast array of colors and markings, shapes and sizes and truly make a dazzling display in fish aquariums.

While it is true that saltwater aquarium fish do require a bit of additional work compared to the freshwater aquarium fish varieties, many people are willing to put up with the extra work.

saltwater aquarium fish
This is because saltwater fish are often considered exotic and have a really great look that outshines the freshwater fish species. Such bright colors, unique markings and unusual shapes help to evoke thoughts of being on a tropical island or a sun-drenched getaway.

The reason tropical aquarium fish have a tendency to be more intensely colored and varied, is because they come from the wide open oceans. This environment gives them more space and ability to evolve. Also, the deeper waters that many of them are found in means the damaging rays of the sun have much less effect upon them.

This situation also tends to create watery environments that are more consistent and more stable than many freshwater environs. Rapid or drastic changes in the condition of the water is more rare in oceans, so the fish accustomed to such environments are overall less tolerant to these types of changes.

This also lends to the fact that saltwater aquarium fish are harder to care for because they don’t have the wide range of environmental tolerance such as most freshwater fish do.

fish tropical aquariums
A proper pH balance for saltwater aquarium fish is over 8.3, which means it is slightly on the acidic side. This is the natural pH balance of the water where these kinds of fish evolved. There are mixes available at tropical fish stores which allow you to prepare the water properly and when purchasing your saltwater fish, you should also be provided with information about providing the best environment for your new aquatic aquarium decoration dweller.

Saltwater aquarium fish also generally require more specifics in regard to their dietary needs as compared to their freshwater counterparts. Some saltwater fish are perfectly fine and well nourished with readily available flake food or pellet food options. Other types of saltwater fish are more picky and will only eat frozen dead food sources and some can only survive by eating live food sources.

Of course, the flaked, pelleted or stick varieties of food are cheaper and more convenient, but not all saltwater fish will accept such offerings. However, even if your saltwater fish normally eats pellet or flake food, it is suggested to occasionally provide them with live food as this can trigger fish behaviors that you would not otherwise be able to observe and enjoy.

tropical fish marine
For those who are new to saltwater aquarium fish, it is best to start out with the most hardy, saltwater species that you can find. You should also start with the largest fish aquariums you can afford. It is also best to choose the largest tank that you can afford because the water environment is more stable with a larger tank capacity. Damsels are a good choice for first-time saltwater fish owners because they are hardy, affordable and easy to care for.