How to analyze pool water

To maintain the pool water in good condition is essential to proper treatment thereof. And how important it is to treat it as analyze it, because a good analysis of certain parameters let you adjust the water treatment focusing efforts and resources where they really need.

Parameters pool water are very susceptible to changes: rainy days, for example, added to the pool water with a high concentration of suspended particles in air. Instead, the days of strong heat the water evaporates more quickly and that varies the proportion of treated water and fresh water replenishment. When filling the pool must be analyzed immediately. enters and finds the analysis system you need.

There are different methods to analyze the pool water:

Pool analyzer reagents

Reagent analyzers: They are the analyzers used because of its simplicity and low price. Just take a sample of water using a graduated cylinder and add the reaction solution indicated for the parameter to analyze them . The water will turn a color to be compared with the table incorporating the analyzer. It is an extremely accurate method but for analysis of a domestic pool is more than enough.


Test strips: The principle is the same as above but the way to carry out different. In this case the strip is directly immersed in the water and this is the same that changes color to be impregnated with the reaction solution. The color of the strip should be compared with the table provided by the manufacturer.


digital analyzer Pool

Digital analyzers: They are easier to use and more accurate. Immersed directly in the water and the device gives an accurate reading of the selected parameter. There will analyzers measurements of various parameters or one, will depend on one model or another.


Listed below are the important parameters to take into account when analyzing the pool water:

pH: It is vital to control it . The pH is the indicator measuring the acidity or basicity of the water, a chemical characteristic of which will depend how they react all chemicals that are used to treat pool water. It is considered that water is “neutral” when the pH is between 7.2 and 7.6. If out of these values will have to be regulated with specific chemicals. It is advisable to analyze daily and adjust it if necessary to avoid problems with the pool water.

Chlorine: We must differentiate the different types of chlorine that can be found in pool water.

  • Free chlorine: is responsible for the elimination of the microorganisms present in the water, when this is exhausted has fulfilled its function and disappears.
  • Free residual chlorine: is the fraction of free chlorine remaining after removal of microorganisms in the water and its function is to remove the microorganisms that can come after a few days.
  • Residual chlorine: is the fraction of chlorine remaining in the water, which contributes nothing to disinfection. This fraction is causing irritation of eyes and mucous membranes as well as the characteristic smell coming from the water.

Hardness: The hardness measures the amount of lime in the water. As in housing, lime in the pool can cause inconvenience. Lime is deposited and embedded in the walls leaving white marks. By adhering to the pipes and the various elements that make up the whole of the pool, you can damage them and prevent proper operation.

Mineralization: The presence or absence of minerals in the water can cause more of a problem. A low mineralized water will cause corrosion in the metal parts of the swimming pool basin, since water tends to react with the means to feed minerals. If you have a high level of minerals in suspension you will be noticed by the taste and strong odor. In addition, it will increase the electrical conductivity of water.


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