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What kind of water to pour into the aquarium for fish

maintenance, care, compatibility

Water is required for marine and freshwater fish. Under natural conditions, the main requirement is purity, because harmful impurities do not allow the inhabitants to successfully multiply and develop. However, how is the situation at home?

In fact, the question “what kind of water to pour into the aquarium” is really important, because you need to remember the quality of aquarium water. For example, if you use untreated water taken from the tap, pets will have to face serious harm.

For this reason, you need to remember useful recommendations.

In the aquarium is best to pour, trying to achieve certain indicators.

  1. Room temperature is the best option for aquarium residents. For this reason, a decent indicator is from +23 to +26 degrees. For this reason, in the cold season it is undesirable to take the aquarium to the balcony or put a house for fish next to a heater or a radiator.
  2. Water hardness largely determines the life expectancy of aquarium dwellers. Taking into account this nuance, it is desirable to control the composition of the water used. Calcium, magnesium always lead to increased rigidity. The range of hardness pleases with its variety. Fish can live in water of any hardness, but at the same time magnesium and calcium become useful only with certain quantitative indicators. In the aquarium, you can allow the fact that the hardness will change on an ongoing basis, because the inhabitants will absorb the salt. Taking into account the regular changes of an important indicator, it is recommended to update the water in the aquarium.
  3. Water purification involves a complete change of water in the aquarium. However, this task is not always necessary. Modern technologies allow the use of special filters for cleaning, operating on activated carbon.

This parameter depends on the temperature, plants and fish. Aeration allows you to control oxygen in the house of marine or freshwater inhabitants who fall into the conditions of the apartment.

Manufacturers offer special devices, pleasing efficiency with respect to the flow of oxygen into the aquarium.

In addition, cleaning filters with pre-installed compressors can be used. Being engaged in the full control of water, there is an opportunity to guarantee the successful livelihoods of fish.

Without fail, any indicator related to water should change gradually and without abrupt changes. Responsible approach and taking into account the numerous nuances allows you to bring the conditions in the aquarium to the natural environment.

Each owner of the aquarium understands the need to change the water in the house for fish.

Old water should be drained from the aquarium using a hose. It is recommended to use a tank located below the main aquarium.

It is best to place the fish and snails in the bottle for a while, where the separated water will be.

During the event it is advisable to wash the aquarium algae using cold water. Some plants will have to throw out, causing such an act adverse changes in the state.

Decorative details, including pebbles and shells, aquarium sculptures, you need to rinse with hot water from a tap, but the cleaning products can not be used. If necessary, pebbles are allowed to process boiled water.

To remove dirt from aquarium glasses, a special brush is traditionally used.

After a similar procedure, shells and stones can be placed in the aquarium. The next step is to plant algae.

After this, you can fill the aquarium with water, but you should not overdo it with the thickness of the stream. After the new water is added, it is recommended to install aquarium equipment to monitor the life of the inhabitants.

It is recommended to run the fish only after all the procedures have been successfully carried out.

How often should water be replaced? Partial volume is recommended for weekly execution, because the water can evaporate.

For this reason, once a week it is best to add water to the aquarium. Full cleaning should be done once a month.

If the fish died due to substandard water from the tap or other adverse factors, it is advisable to replace the aquarium water, thereby securing other marine or freshwater inhabitants.

Full control over the living conditions of the aquarium dwellers guarantees the opportunity to enjoy beautiful and healthy fish.

What habitat most love aquarium fish

Water that must be prepared for not very capricious ornamental fish requires preliminary preparation. In the general aquarium it is necessary to fill in soft (sometimes medium hard) pH-neutral water. This can be plain tap water.

In it, live-off and viviparous fish, which perfectly adapt to different conditions, take root well.

See how to change the water and care for the aquarium.

The degree of hardness can be measured using litmus paper, the temperature of the water – with a thermometer. Water of high degree of hardness is recommended to be mixed with soft rainwater (filtered) or distilled. Also, water from clean, melting snow or ice.

The listed types of water can be collected in a clean container only after prolonged precipitation; it is enough to pour 30% soft water into infused water from the tap.

Water from the tap can not be poured immediately. It is better to pour it into a glass, and see if the glass is covered with bubbles, whether a strong smell will emanate. Such water is saturated with compounds of gases that fell into it during filtration at the treatment plant.

Having let the fish in such a liquid, the pet’s body will instantly become covered with bubbles, which will penetrate into the gills and internal organs. As a result, the fish will die.

In addition to gas, chlorine is added to water for disinfection, it will also poison living beings.

To get rid of gases, tap water can be poured into glass containers, and let it settle there for several days (2-3 days). There is another quick way: pour water into enameled ware, bring it to the stove to 60 or 80 degrees, set aside and cool. Boiled water is harmful – it leaves on the walls of dishes scale calcium carbonate and magnesium.

Boiled water can be poured into spawning, but in extreme cases. To fill the entire area of ​​the aquarium with boiled water will take a long time.

Another nuance – boiled water kills all the useful microflora.


If you do not have water supply (this occurs in our time), you should go to a clean river or lake (where there are no signs “No swimming!”, Etc.), and take water from there. If it is clean, river fishes (perch, bream, roach) really live and flourish in it, there is a water grid plant, which is a good sign.

To destroy parasites, such water is heated in an enamel pot to 80-90 degrees, but not to make boiled water out of it. The parameters it will be different from the liquid from the tap, so think about whether to take such a risk.

You can go to another house, and get running water there.

In addition to thawed, spring, rain and distilled water, it is advisable to pour 30% of the water from the old aquarium to the infused liquid from the tap. If he was kept safely, the fish and plants did not hurt there, the water in him was not muddy – this is a find.

In the old (residential) aquarium water, whether it has been poured from a tap for a long time, there are many useful microbacteria that will create in the new dwelling the natural biological environment. In a residential aquarium environment contains a number of organic impurities that are very useful for the aquatic environment. They make the water more acidic, do not allow the putrefactive and pathogenic bacteria to multiply.

If high-quality and proven water is poured into the tank, all its inhabitants can be healthy.

Water temperature for the aquarium plays a crucial role. It depends on the health and ability of fish to breed. For each species of fish, a completely different water temperature is suitable.

Conventionally, all the inhabitants of the aquarium can be divided into heat-loving and cold-loving.

By heat-loving include fish living in the water, the temperature of which is not below 18 degrees. Cold fishes are individuals that easily adapt to low temperatures. They can safely live in the aquarium, the temperature in which, will not exceed 14 degrees.

The maintenance of cold-loving fish is possible only in large and spacious aquariums.

It is noteworthy that if the heat-loving fish are planted in cold water, then they practically stop swimming. This suggests that significant damage has been done to their health.

Preparing water for the aquarium, you should use the tips for beginners, which can be found in the special literature. So, it is possible to choose the optimum temperature for water only after it becomes known exactly which species of fish will live in it. The thing is that in the literature for each type of fish is given the permissible threshold of the highest and lowest temperatures at which the fish will feel comfortable.

In accordance with these parameters, you can choose the future inhabitants of the aquarium so that they all feel comfortable in the same temperature conditions. This will avoid a huge number of problems associated with the maintenance and care of the fish.

How to make the water prepared for the aquarium was not too hard?

How to prepare water for the aquarium at home

Freshly tap water is not suitable for animal settlement. Reptiles, fish, amphibians and snails can adapt to it, but on condition that it infuses for several days. Fresh, domestic water from the tap will destroy animals, because chlorine compounds are toxic to the sensitive organism of small creatures.

On certain days, tap water contains different amounts of volatile substances, experts recommend turning on a shower and checking the steam and the presence of chlorine to check. If the smell is harsh, water should not be collected on this day.

Regardless of the season, weather and air temperature, domestic water will be different. Be observant if you want to settle the animals in clean water from impurities. Infused tap water is recommended for many pets and plants, it has an acceptable level of acidity: pH 7.0.

It forms an active reaction, creating an alkaline and acidic aqueous medium. The reaction is determined using litmus paper, which is sold in pet stores.

Infusing water should not be in plastic containers; it is better to use glass jars with the lid open. The main thing is that in the prepared water, while it insists, do not get dust and insects.

See how to test the water.

You can use baking soda to raise the pH to the required level. Peat is recommended to lower the pH.

Sometimes before the launch of a new aquarium in the water put samples of trees, reducing the acidity of water. The aquarium can be filled not only with tap water, but also distilled water, which is sold in pharmacies or in auto shops. It is filled with small aquariums, but with an experienced razvodchiki warned that such water is poor in the mineral components necessary for animals.

Rarely use a liquid from another aquarium, in which there is a stable biological equilibrium for normal life.


As you know, all the fish and not only breed at a certain temperature of the aquatic environment. Heat mimics the rainy season, climate change, and the time of year, serves as a signal for finding a pair and spawning. All types of fish, snails, amphibians and reptiles live in different water temperatures.

Also, residents of home nurseries are divided into two types – cold-loving and heat-loving. Heat-loving – those who live at a temperature not lower than 18-20 degrees Celsius, while cold-loving people are able to live in cool water (14-18 degrees and lower). The latter live only in spacious reservoirs, where there is a slow and cool undercurrent.

Heat-loving species in cold water behave sluggishly, motionless, begin to ache.


Starting the preparation of water for the aquarium, consult with experts, or ask for help from the specialist literature. For each pet requires optimal water temperature, so only compatible animals need to settle in one tank with identical parameters (heat-loving people are not settled with cold-loving, herbivores and predators are kept in separate nurseries, large and small are settled separately). In accordance with all parameters (permissible threshold of temperature, acidity, hardness), the acquired living creatures inhabit the aquarium.

You should also take into account the conditions of the content of plants in the water, they are important specified parameters of the aquatic environment. Comfortable neighborhood will provide proper care and living conditions.

See how to prepare water for an aquarium.

Reduce stiffness by filtering and infusing. Sometimes, infused water (time – 2 days) from the tap add distilled, thawed or rain water.

Plants such as roach and elodiea, reduce stiffness. There is another way – freezing.

The collected water is frozen, and then thawed, defended and poured into the tank.

Increases the rigidity of the aquarium water by adding brine, pieces of chalk or limestone, coral chips to it. Coral crumb is recommended to boil (2 hours) to soften and prevent parasites.

Only after all the procedures it is lowered into the tank.

It is better to run the fish in a day or two, until the water has acquired the necessary parameters. The temperature of the water in which the purchased fish, animals and plants lived should be identical to the aquarium.

Again, use a thermometer, litmus paper to test. Do not neglect the recommendations that the life of pets was healthy and safe, because when kept in poor-quality aquatic environment, they may suffer.

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