The best home remedies for algae in the aquarium

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It should be remembered that everything you do to change the conditions in the aquarium usually has more than one effect. So something that helps in the first place can turn back afterwards and do something else. The elimination of one species of algae can promote the growth of another. It is a cycle and the ultimate home remedy for all algae does not exist.
Algae always indicate a nutritional imbalance. They live on the nutrients that are not consumed by other "roommates". This not only has disadvantages, but also means that the fish do not get too high a dose of macronutrients. In order to reduce the excess of nutrients, ideal conditions must be created. The best home remedy is to create, set up and maintain the aquarium so that everything fits together harmoniously. Only one factor that does not fit brings everything into imbalance. If several people come together, the situation worsens. This is the use of the algae, which are always present. They begin to multiply massively.

The best remedy for algae

So the best means are to create ideal conditions in the aquarium. Chemistry is eliminated, but there are enough ways and means to achieve it. Chemical remedies usually bring only a short-term improvement. As long as the cause of algae growth is not eliminated, the algae will keep coming back.

Proper size of the aquarium

Proper size of the aquarium in small pools, algae are much more common. Therefore, rather a larger should be used. The size of course depends on the stocking. Small fish need less space than big ones. Beginners should start with 100 liters and easy to keep fish. If you discover this hobby for yourself, you will soon need a larger pool and usually this will increase over the years.

Right location

The aquarium should be set up bright but not sunny. Too much sun promotes algae growth, at least in many species. Diatoms grow better in less light.

A good water quality

Test drinking water, especially what nutrients are included. There are test sets in the trade.

Matching light

The light determines the nutrient consumption of the plants. The more light in the pelvis, the more nutrients are produced. If there is too much light, the plants will not be able to use it up. With too little light, the plants grow bad and certainly can not do it. Algae benefit from the oversupply. The light must be reduced, whether daylight or artificial light. More than 12 hours of light are unfavorable, usually 10 hours are enough.


Algae with frog

Since an aquarium is too small, it has no self-cleaning power. Pollutants are not degraded and nutrient consumption is regulated. The biological balance can not be established on its own. Filter systems help. Rarely a single filter is enough. Better are two filter systems, a biological filtration and a mechanical filter. The biological filtration works with millions of microorganisms. In the mechanical water is freed by filters of coarse and fine dirt particles, so of feces and food residues. In addition, there are plenty of other filters. The best way to get advice about the filtering of a professional.


Depending on what the aquarium floor is covered with, algae or not. Blue algae prefer to populate white or light pebbles. If you trade them for dark ones, the blue-green algae usually disappear as well.

plants stocking

An aquarium can not accommodate enough plants. The more you have in it, the better. Plants consume nutrients, the more, the less so for the algae. Algae and plants are food competitors. The fewer plants that consume the nutrients, the more algae there are. Favorable are fast-growing plants, even if they have to be cut back every now and then because they have become too big. Also important is the number of plant species. The more different, the better. Each plant prefers different nutrients and so they cover a larger range that is consumed. Monoculture is always difficult.

fish stock

Adjust the amount and size of fish and other living things to the size of the pelvis. Too many fish produce too much feces, too many nutrients. Basically, the larger the aquarium, the easier it is to maintain the biological balance, but also a 1,000 liter pool can be overfilled. Favorable is a certain number of algae eaters. These include freshwater crayfish, antenna catfish, Amano shrimp (eat only brush algae)

Sufficient CO2

Sufficient CO2 needs plants as a basis for nutrition and growth. During the photosynthesis of the plants, oxygen is produced. These need the creatures in the aquarium. If many plants are in the pool, CO2 is consumed quickly, which is why an additional CO2 system makes sense.However, the concentration may not be too high. Too high a CO2 concentration can be lowered through the aeration of the aquarium via a blower with air pump.

amount of food

Often, too much is fed. The food remains fall to the ground, remain lying and decompose. Nutrients are released. What the fish did not eat in the first 10 minutes after feeding is too much. This is why algae infestation often helps to reduce the amount of feed.


Why fertilize if there are already too many nutrients? The existing macronutrients are often not enough for the plants. You also need micronutrients. They have to be fed, but with care. There is a special nutrient concentration in an aquarium. Some nutrients are present in excess and some are consumed quickly, resp. are missing completely. Good fertilizer must balance the gaps specifically. But you have to know its water values.


Algae with frog

Algae can be removed manually quite well. In the case of filamentous algae, it is enough to rummage through the water with an unpainted plug, the algae remain hanging and wind properly when changing direction. Many algae are easy to wipe off, from plants, slices and objects. The soil can be vacuumed, algae are washed out with it.

water change

When changing the water, the scholars argue. Some swear to take water every week (25 to 50 percent), others strongly advise against it. Here's just a try. It certainly depends on the composition of the water. Drinking water is not just drinking water, there are stark differences. Depending on the ingredients, the water change may or may not help and even make the situation worse.

Alleged home remedies

Of course, there are always as home remedies declared tips on how to combat algae. Often, however, they should only boost sales and do not really bring anything. However, everyone has to make their own picture. Trying is about studying and the need sometimes makes you inventive.
  • Pieces of granite, slate and basalt in the water, so to speak as a decoration, should prevent algae growth. Aquarium owners with experience laugh about it. The stones make the water harder. Some algae do not tolerate this well, but fish and plants are not.

  • Copper-coated flower water should prevent the formation of algae. Small euro coins in the water protect flower stems from putrefaction bacteria and algae. However, even the smallest amounts of copper are poisonous for fish. What works in the flower vase, is not transferable to an aquarium, at least not for a populated.

  • Aspirin tablets - 1 tablet per 100 liters of water, to fight brush algae, allegedly other algae. There are some reports, as the aspirin is attributed to have helped. But just as many report exactly the opposite. Here's just a try again, but always keep in mind: "About risk and side effects ask your..." Aspirin is a typical example of: "Every thing has its two sides" Filter bacteria are also eliminated.

  • Straw extract - "... well dried barley or wheat straw (per 100 liters of water 4 to 5 hands full) packed in a very holey plastic bag, tie them and hang in the aquarium." The cloudiness does not stay long, the effect should after 2 to Use for 3 days. Important are the suction of the algae and a water change. The straw must be renewed every 10 days. In ponds, this method works pretty well. It can work in the aquarium. There is a disadvantage, the bag is not exactly a visual highlight and the larger the pelvis, the larger the bag.

Who creates optimal conditions, will have little problems with algae. They can not be avoided completely, that is not necessary at all. Even in the ultimate aquarium algae can be introduced. It is important that they do not proliferate. This is best achieved through the above measures. Real home remedies are rare. Although a lot of experimentation and numerous remedies at first glance help, but they all have side effects. In one way or another, these remedies take revenge. It is better to make sure that the water is in order, the plants and fish healthy, the regularly cleaned and the water is exchanged, that not too many fish in the basin, but many plants, that is not too much fed and that the filters work. All this in combination ensures a well functioning aquarium.

Video Board: How To DESTROY Algae in 30 Seconds (Get Rid Of Aquarium Algae FAST).

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