Why Does The Water Smell And Stink In The Aquarium

The time comes, and the novice aquarist suddenly feels the unpleasant smell of a swamp in the apartment and the source of the smell will be the home aquarium.

It is difficult to say that the smell from the aquarium is a frequent phenomenon, but it is difficult to call it rare. I will analyze the main reasons for the appearance of unpleasant odors from the aquarium: swamps, mud, rotten soil and other amber.

An unpleasant smell from the aquarium appears when there is an abundance of bacteria of decay and decomposition. Bacteria decompose the organics of the aquarium to hydrogen sulfide, which has the smell of rotten. In an aquarium with stable biological equilibrium, bacteria are built into the nitrogen cycle, contributing to the decomposition of dead organic matter, and their number is regulated by the vital activity of aquarium plants and colonies of beneficial bacteria.

In the absence of equilibrium in a home aquarium, the amount of organic dirt increases and an increase in the number of anaerobic bacteria occurs, which leads to the smell of the swamp followed by the death of aquarium fish and plants. This happens in the following cases:

  • No maintenance aquarium
  • Weak aeration or lack of aeration
  • Low-power aquarium filter or no filtration
  • Overfeeding or expired feed
  • Overcrowding aquarium fish
Why Does The Water Smell And Stink In The Aquarium

The main reasons for the smell from the aquarium are the lack of maintenance of the aquarium, over-feeding and poor aeration.

What if the water in the aquarium smells like a swamp and stinks

First of all, thoroughly clean the aquarium from the accumulated dirt:

  • Siphon soil
  • Remove dirt from artificial plants, stones and decorations.
  • Substitute water
Read more:  Aquarium How To Clean The Underwater World At Home

Do not forget to replace the water. The substitution of water reduces the concentration of hydrogen sulfide in the aquarium and prevents the death of fish.

The next step in the fight against odor from the aquarium is to increase aeration. Anaerobic bacteria do not live in water saturated with oxygen, therefore we add power to the compressor. If there is no compressor in the aquarium, then it’s time to buy it.

Remove and wash the aquarium filters from the accumulated dirt, so that the filter does not serve as an additional source of rotting bacteria.

For a few days, stop feeding aquarium fish or serve the minimum amount of feed. We exclude live food in the form of moth completely.

An overpopulated aquarium is settling or increasing aeration and adding power to the aquarium filter. With proper care for the aquarium, overcrowding does not lead to water stagnation and the appearance of a rotten smell.

After doing these steps, leave the tank alone and perform a quarter-volume daily water change. It is necessary to re-establish in the aquarium the biological balance that prevents the decay of the aquarium and prevents the appearance of an unpleasant odor.

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