Wonder when fish tanks came into being? Maybe the first people who kept fish for pleasure were the ancient Chinese breeding Koi fish in ponds. The British started keeping exotic fish in fish tanks in the nineteenth century. And it seems the hobby really boomed after worldwide throughout Europe, America, and Asia.

Having a fish tank is really quite relaxing for people. Researchers in health studies today are discovering interesting connections of looking at an aquarium fish tank with live fish in it and its positive effects on human health. It has been found that observing fish in an aquarium fish tank lowers the blood pressure, letting one feel stress-free and relaxed.

The fact that a fish tank has calming effect is observed with children suffering from ADHD (Attention Deficit Hyperactivity Disorder). They have been found to calm down significantly after watching live fish in an aquarium fish tank.

Is it any wonder why physicians and dentists keep fish tanks in their ofices? The reason is the association between watching live fish in the tank and reduction in the intensity of pain. This natural analgesic also works in bringing about a hypnotic trance and has been tried by psychoanalysts.

Positive results of observing fish have been observed in patients suffering from brain disorders like dementia. By placing an aquarium fish tank in their room, it has been found that patients of Alzheimer's disease, which can include a severe case of dementia, showed improvement in behavior and nutrition.

There appears to be many positive health benefits of having a fish tank. From the pleasurable to the medicinal, aquatic life is a very good thing to observe.

If you are just starting out with a fish tank then a 20 gallon tank would be the best choice. Most people believe that they should just get a 5 gallon bubble aquarium for their first tank. Those are fine and all but if you want to really learn how to care for fish then at least a 20 gallon tank will teach you well.

Why is a 20 Gallon Fish Tank a Good Choice for a Beginner?

What you are looking for is a tank that is small enough to be installed easily and big enough to develop its own aqua-system in the shortest time possible. Therefore the minimum you should go for is a 20 gallon fish tank because you will be able to enjoy the beautiful aquatic life that you can install and at the same time you do not need to clean it often since it can take basically take care of itself.

Most people buy a 10 gallon tank because it is the cheapest and also the most available in pet shops. There is nothing wrong with this aquarium except that you cannot keep any big fish in this tank nor should you install a numerouis amount of fish either.

In the 20 gallon fish tank you can a couple of larger size fish. Most people mix small fish with big fish in the 20 gallon fish tank; however, this is not advisable because the big fish tend to eat up the food of the little ones and also they bully them around. It is advisable to get more or less the same size of fish that can grow together. In case you have a new addition you should take care that you gradually introduce the fish to the tank. You can lower it in a smaller and transparent container so the fish becomes acquainted to other fish without being traumatized by them.

For all this, a 20 gallon fish tank is the right size, and because of the suitability it is also the best possible choice for the beginner. You can enjoy bigger fish or numerous smaller fish and get to enjoy various aquatic life that you install and care for. A 20 gallon tank is definitely the minimum size fish tank that I would buy.

A 30 gallon fish tank is a great way to begin learning how to keep and maintain an aquarium. This size is not too big that you cannot learn how to become an aquarium owner. Despite the easy setup set up there are a number of things that must be done to keep the 30 gallon fish tank operating in a healthy way.

Perhaps on of the easiest and most overlooked items of routine maintenance for your 30 gallon fish tank is that the water needs to be changed on a regular basis. This simple act will reduce the amount of algae growth, contaminates from fish waste, and make sure that the water chemistry is ideal for the fish.

Another routine maintenance tip to think about is to make sure that your lighting system is in working order. This is the only light source for your fish and other aquatic life, so it's best if it is in proper working order and offer the best steady light source so that they can survive.

The filtration system must be maintained in your 30 gallon fish tank. If this is not cleaned on a regular basis, the water in your tank can become toxic to your fish. This will lead to, ahem, dead fish. Make sure you follow the manufacturer's instructions on cleaning and maintaining this important part of the tank system.

Perhaps one of the most overlooked, but important pieces of maintenance for your 30 gallon fish tank is to clean the decorations and gravel of the fish tank. You may be surprised at the contamination and dirt that exists in the cracks and crevices between rocks and sunken ships or whatever dodads you have populating your fish tank.

Following these maintenance tips for the 30 gallon fish tank will keep the fish happy and you will have an enjoyable aquatic world to observe.