Aqua ville

The hot water in a hot tub or spa is a prerequisite for relaxation, but it is also a key factor in the growth of bacterias and algaes. Water in your hot tub must therefore be meticulously filtered. Many different filtration systems are offered by hot tub and spa dealers, but unfortunately, they are often far from perfect in providing optimal water quality. Spas or hot tubs are very different from swimming pools and require special attention. Let’s look at how ordinary filtration and treatment fall short of what is required for cost-effective hot tub water purification, and why choosing them is often a mistake for uninformed buyers.

Flaws of conventional filters systems

Conventional filtration systems are not designed for hot tubs, but rely on technologies that were developed for swimming pools. With a smaller volume of water, hot tubs are much more prone to bacterial growth. The aggravating factor of this contamination is the water temperature. With a temperature of around 35-37°C, hot tubs and spas are extremely conducive to this contamination. Ordinary filtration systems, in addition to relying on a parallel chemical treatment that can be harmful to health, cannot completely eliminate the bacterial biofilm and are therefore not very effective in combating contamination and therefore a number of bacterial infections.

hot tub or spa

Active oxygen salt systems or chlorine systems could affect your health

Chlorine and active oxygen salt systems have long been the only option available to treat your spa or hot tub water. Unfortunately, these options are harsh on the skin and irritating to the eyes. The whole point of taking a dip in your hot tub is to relax, and that’s not necessarily the case when you can’t enjoy it for long because of the chemicals in the water. Furthermore, products such as bromine or chlorine are not effective enough to eliminate the bacterial biofilms that have already formed.

Conventional treatments do not eliminate bacterial biofilm

Organic matter such as bacteria, body secretions and cosmetics form slimy deposits if they are not oxidized. These deposits stagnate and stick to the nearest surfaces and become a food source for bacteria. Once colonization begins, the viable bacteria quickly create the biofilm, which becomes very resistant due to its protective layer. It is therefore essential to purge the bacteria before the biofilm is created, because once it is established, a conventional disinfectant such as chlorine will not be able to destroy it. This proliferation poses serious problems for users, in particular inducing a large number of diseases.

The risk of diseases

The intense use of hot tubs in hotels or lodges generates greater constraints than those linked to private use.

Diseases that can be transmitted via hot tubs or spas are more common than you might think. By containing bacteria, viruses and fungi, baths can cause serious infections in users, such as the herpes virus and legionella.

The three factors that favor legionella are a water temperature between 30°C and 40°C, fouling by deposits such as limescale, corrosion, and stagnation of water in the pools and pipes. Hot tubs and spas combine all these factors. Their filtration should not be taken lightly.

 hot water hot tub

Conclusion : the need for innovative filtrations systems

When it comes to the continuous treatment of spa water, there is a need for constant improvement in filtration technology. Hot tub water treatment methods must take into account water quality as well as user health and environmental friendliness. These three criterias must be considered before purchasing a filtration system. However, the current treatments available for spas and hot tubs are based on obsolete technologies. Whether in terms of filter sizing, reagent dosing, or filtration cycle time, ordinary filtration systems have too many shortcomings to be effective when compared to technologies such as UV and ozone systems, coupled with minimal chlorine injection if required by regulation, for example.

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