Advice 1: How to choose an external filter for aquarium

External filter just necessary for larger aquariums. When choosing a model must consider not only the quality of the filter and the volume of the tank, but the ease of use. For most users, the main repulsive factor in the device is the noise, so pay special attention to this.
How to choose an external filter for aquarium
It is obvious that the external filter is placed outside of the aquarium, so you need to plan in advance for it. Users claim that in the operation of the external filters is much more convenient than internal, as they are always available for service. Before you buy first and foremost is to find out what capacity must possess your future filter. It depends on the size of the aquarium.
If you are the owner of a small aquarium, mainly pay attention to the quality and noise performance, because the power requirements of the filter is small. Carefully study the recommendations of the manufacturer, the volume of your tank should be slightly less than the recommended norms, otherwise the filter may not cope with their work. If your aquarium is quite large, consider also its densely populated. It happens that the inhabitants very much, in this case you should buy a filter with a large power reserve.
For small aquariums with a volume of from 30 to 70 liters external filter must have a bandwidth of from 300 to 400 liters per hour. That should be enough, even if artificial pond inhabited densely enough. In this case, you can buy such models of external filters, such as Filter Aquael MINI KANI 80, Aquarium Systems MILLENNIUM 1000 and Tetratec EX 400.
If we consider another group of aquariums, the volume of which is from 60 to 100 liters, filter capacity should be more. The average for this group it is 500 liters per hour. As for specific models - it is possible to pay attention to the external filter Tetratec EX 600, the manufacturer's recommended amount of aquarium up to 120 liters.
For larger aquariums range of external filters is very diverse. Throughput, naturally should be higher. For example, for a volume of 100 to 200 litres on average it is 700 l/h. This model has a power filter EHEIM Professionel 2224, it is designed for the aquarium up to 250 liters. To date, the public external filters, designed for huge volumes. For example, the model EHEIM Classic 2260 is able to maintain the aquarium volume up to 1500 litres, with annual capacity of 1900 liters per hour. The range of external filters is really wide, so it will not be difficult to find the right model for you.
External filter is able to produce not only mechanical, but chemical treatment of water, preventing it from rotting.

Advice 2: How to choose filter for aquarium

The most important equipment in an aquarium is the filter. Filters are required for cleaning of aquarium water and enriching it with oxygen. In the absence of the filterand the contents and maintenance of the aquarium becomes a troublesome task, not speaking about the health of your aquatic Pets. Better to have this equipment.
How to choose filter for aquarium
You will need
  • In order to choose and set the filter, you will need: an aquarium that will be filled with settled water.
The filter is a necessary thing in your aquarium. This equipment is divided into two types: internal, which will be located inside the aquarium, and, of course, external (this filter will be mounted outside the aquarium). Select the type of filteras follows depending on the volume of the aquarium. Also have the filterfollowing materials that are used for mechanical and biological water treatment: activated carbon, expanded clay or ceramic filler.
Filter with UV lamp.
Internal aquarium filter consists of a pump and sponge. The sponge is passed through contaminated water, and comes out clean. Such a filter can be used in small aquariumto 200 liters. Very sponge-filter needs to be cleaned and, to the extent of wear, replace with new. The efficiency of the filterand will depend on the size, type and capacity.
Internal <strong>filter</strong> <b>aquarium</b>.
External aquarium filteryou have canister. This canister is always out of the aquarium. From such a filterand there are two hose. From one water hose enters the canister, and through another goes back into the aquarium. When water gets into the canister, then there is several stages of mechanical, chemical and biological treatment. This filter is used for large aquariums or aquariumx smaller volume. At the small aquarium the level of water pollution does not allow to keep the internal filter. Some filters can be combined with the compressor, that is, along with cleaning water can saturate the water with oxygen and also with UV lamp.
External <strong>filter</strong> <b>aquarium</b>.
Remember that any aquarium filter needs to work continuously, without interruption.
Useful advice
Don't skimp and get high-quality filter, because it determines the health of your fish.
It is best to take the filter with integrated: a compressor and a UV lamp (like all living things, fish need the sun).
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