The bad smell of the fish tank 

The reasons that lead to the appearance of an unpleasant odor inside an ornamental fish tank. There are a number of basic reasons: the death of ornamental fish, excess food for ornamental fish, and the decomposition of plants inside the aquarium. These are the reasons, and getting rid of the unpleasant smell of the aquarium as quickly as possible is done in simple steps, the most important of which is changing Three-quarters of the fish tank's water is chlorine-free, and the use of dechlorinator is completely prohibited in order to maintain the beneficial bacteria inside the ornamental fish tank and the biological cycle inside the tank.