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What you should know about pool chemicals

What you should know about pool chemicals


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Each owner of the pool is aware of the need to maintain the chemical composition and balance of water in optimal condition. Only high-quality chemicals can guarantee cleanliness and health.

Disinfection of water in the pool, along with heating, recirculation and filtration, refers to the physical methods of preparation. And if heating and water recycling are designed to provide comfort, then cleaning is a guarantee of maintaining health. The ecosystem of an artificial reservoir is sometimes given insufficient attention. But even a slight fluctuation in the basic indicators of water can lead to very sad and even irreparable consequences.

Water purification methods

Water purification in pools of any kind is realized by two methods:

  • Mechanical cleaning method
  • Biological method of disinfection

Disinfection of water is called the destruction of sweat secretions, various biologically active contaminants, as well as waste products of bacteria, algae and other microorganisms.

Chemistry for the pool allows not only to maintain aesthetic appeal, but also purity and transparency of water. She copes with the function of disinfection and disinfection. Today, chemicals for water care are the most popular and effective.

Selection rules

For the correct and high-quality water treatment in the pool, it is necessary to determine the main indicator - the pH level. Indicators from 7.2 to 7.6 are considered ideal. Exceeding these indicators by only 0.2 points can cause severe skin irritations, and when the level is increased to 9, the water in the pool becomes an ideal environment for the multiplication and development of various types of bacteria.

In addition, the pH level is one of the most important factors that can affect the effectiveness of the disinfectants used. To measure this indicator, it is convenient to use special measuring test strips.

All modern chemical disinfectants must be used exclusively in accordance with the instructions and combined with filtering the pool water.

Most often, water is treated in three different ways:

  • Water chlorination
  • Bromination of water
  • Use of active oxygen

In addition to disinfecting chemicals, it is necessary to use complex preparations for water treatment in the swimming pool.

Water chlorination

This method of disinfection is the most common and reliable. Its main advantage is the destruction of pathogenic microflora not only in the water itself, but also on the walls and bottom of the pool.

More recently, chlorination has occurred by the direct addition of a gaseous form of chlorine. However, chlorine is a very toxic substance for the human body, and now the method is used to add this element only in a chemically bound form. The widespread use of the liquid form of sodium hypochlorite, as well as the use of solid forms of chemicals, based on chlorine-isocyanurates.

The main effect occurs directly in the aquatic environment, where hypochlorite is destroyed and free chlorine is released, which has a powerful bactericidal effect.

A method has been developed that reduces the consumption of sodium hypochlorite using a flocculating device. Such a device more actively releases the necessary free chlorine, and also significantly reduces the content of chloroform, which can cause oncology, trihalomethane.

Chlorination Steps

Chlorination of water is carried out in several stages:

  • Preliminary preparation of the filter by means of "Chloritex", "Chloroxone" or "Emoex". Remove salt deposits with Atcalcite-Filter.
  • Preliminary preparation of the pool bowl with Algithinn solution.
  • Gradual filling of the pool with water with the addition of Chloritex.
  • Level the pH with Equi Minus or Equi Plus.
  • Protect the pool from the formation of algae with Algithinn.

Use of active oxygen

This method of disinfecting water in the pool is the most gentle and gentle. It is ideally suited for the treatment of swimming pools that do not experience heavy loads, as well as for private indoor pools. The main advantages of this method are:

  • Absolute absence of chlorine odor
  • The gentle effect of the product on the skin, hair and mucous membranes
  • No foam is formed
  • The pH level does not change
  • Can be combined with chlorination

When using active oxygen as a disinfectant, the appearance of algae in water is completely eliminated.

Stages of chemical treatment using active oxygen

  • Preliminary preparation of the filter using Chloritex.
  • Preliminary preparation of the pool bowl.
  • Slow filling of the pool with water with the addition of Calcistab, and if necessary dechlorination, Aquadechlora.

Chemistry for the pool of the popular and modern Oxytest-NOVA series helps to treat water with “active oxygen”. In case of clouding of water, it is recommended to use Equital.

Tablets based on active oxygen are widely used, the most popular of which are Bayroclar duo tab and Bayloklar mini pool set, Soft and Easy granules and Bayrosoft liquid.

Bromination of water

The treatment of the swimming pool with bromine is quite effective and has some features compared to chlorination:

  • Provides an almost perfect pH level in the treated water.
  • It has no toxic and irritating effects on the skin, hair and mucous membranes
  • Chlorine odor is completely absent
  • Effectively kills most viruses, fungi and bacteria
  • Through oxidation, removes organic impurities

The most commonly used are water-soluble tablets "Aquabrom" and a liquid agent "Aquabrom algicide". To prevent the appearance of algae, it is recommended to use the liquid preparations "Desalgin" or "Desalgin Jet".

Complex preparations

The most popular and recommended are disinfecting complex preparations from the manufacturer "Master Pool". They do not contain chlorine compounds, heavy metals and effectively perform several functions at once:

  • Water disinfection
  • Killing algae
  • Water coagulation
  • PH leveling

In addition, according to experts, high-quality chemicals from:

  • German manufacturers "Bayrol" and "Soell"
  • Russian manufacturer "Markopoul-Chemicals"
  • French manufacturer "Arch Water Products"
  • Dutch manufacturer "Melspring"

Numerous studies have proved the feasibility of using complex preparations, not only for shock disinfecting measures, but also as regular disinfecting measures. Their use is possible both in conditions of children's or public pools, and highly effective when used in private pools of various cubes.

Cleaning the pool with ultraviolet light (video)


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