Aquarium – Aquarium for novices Part III

Cleaning the filters and changing the water are every aquarium owner’s duties. Read here what you need to consider.

Get advice when purchasing a filter

Efficiency is the decisive argument but it is also important that the filter can be cleaned relatively easily. Taking it apart easily is also important when making your selection. Aquarium filters become blocked after a while. You generally only replace the sponges in internal filters. External filters can be detached even more comfortably and can be cleaned in the bathroom. Aquarium owners advise the use of filters for which spare parts are easily available. Perfectionists already have these at home just in case. Additionally support the filter effect which is important to keep your fish alive, you should replace at least part of the water frequently. General rule: The larger the tank, the less time consuming the care. Small aquariums, especially with many fish, should get at least a bit of new water once a week. For this purpose, ca. 20 to 30 percent of the aquarium water is sucked off with a hose and replaced by water which corresponds to the temperature in the tank. A partial water replacement every two weeks is sufficient for larger aquariums and tanks.

Little green helpers
Remember that you also destroy
useful bacteria
with every water replacement. Therefore, never clean the filters and replace the water at the same time! A change means that you add water processing agent to the tank again – at least to cover the fresh water volume. In addition, you should also measure the pH value again. Always provide a lot of green in the aquarium. Aquatic plants contribute to the water quality. They process harmful substances which are created by the fish excretions and use these nitrogen and phosphate combinations as fertilizer. They also keep competition for nutrients by algae at bay: Nutrient-rich water “fertilises” the unwanted algae as well as the plants and allows their spread. We give you information in the fourth part on heating and optimum light sources for fish.

I N F O R M A T I O N:

What to consider when cleaning a filter: You should never clean reusable filter material like polyester sponges or filter cotton with tap water to protect the valuable bacteria which settle gradually in the filter receptacle and which help to reduce harmful metabolic products. Therefore, rinse out the filter materials in a five litre bucket of aquarium water. This removes the rough dirt in the filter material but still protects the necessary bacteria.



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