Bubble cover for swimming pools: advantages, disadvantages, price

The bubble cover is a protection device for the pool. Lightweight, easy to use and efficient, it sits on the surface to help maintain the water temperature and to limit the natural evaporation effect. It can constitute a safety device for the pool if it meets the NF P 90-308 standard and if it can support the weight of an adult. Let’s take stock of the characteristics of the bubble cover, its advantages, disadvantages and cost.

How does a bubble cover for swimming pools work?

The bubble cover for swimming pool, or summer cover or isothermal cover, is an interesting accessory to cover your pool. To be placed on the surface of the water, it has several uses, in particular the fact of protecting the swimming pool although it is not systematically included among the safety devices in accordance with the law. Note that if it meets the NF P 90-308 standard, it can serve as a secure pool cover. In addition, it maintains the temperature of the water by preventing heat loss at night, it limits the evaporation of bathing water, and it prevents various waste and debris from falling into the water.

Its principle of operation is simple. The bubbles it contains are composed of air and are wedged between several layers of polymers. It is their presence that prevents heat loss at night and evaporation during the day. It is therefore a good way to reduce energy costs since temperature maintenance limits heating needs; the normal nighttime water temperature reduction, in the order of 4 to 6 ° C, is reduced to only 1 or 2 ° C. In addition, by reducing evaporation by almost 90%, the bubble cover retains much of its water and prevents you from regularly filling the pool.

There are two types of bubble covers:

  • Transparent bubble covers : they are preferred in the cooler regions, because the sun can pass through it better and heat the water. However, these models allow photosynthesis to take place, which disrupts the good balance of the pool.
  • Opaque bubble covers : these are less effective in heating bathing water naturally, but they limit the effect of photosynthesis. It is also a good way to reduce the use of disinfectant chemicals.

What are the advantages and disadvantages of a bubble cover for swimming pools?

The advantages of the bubble cover

The bubble cover has real advantages:

  • It reduces the evaporation of water from the pool by about 90%, which helps reduce water expenditure to fill the pool to level.
  • It reduces temperature drops at night by covering the surface thanks to its isothermal function. It thus contributes to reducing the energy bill since the heating needs are limited.
  • By protecting the water surface, it limits water pollution. Plant debris is slowed down and cannot fall into the basin. As a result, the bubble cover reduces the need for cleaning and disinfection products.
  • It also reduces the evaporation of chlorine, which is sensitive to sunlight. If you opt for this type of treatment, you avoid having to repeat it regularly, which will save you money.
  • The bubble pool cover is very easy to use. It simply arises on the surface to act and to do this, you just have to unroll it and roll it up again since it is very light and easy to handle.
  • It is not expensive in relation to the service it provides. It is one of the cheapest blankets.
  • If it meets the NF P 90-308 standard, it also acts as legal protection for swimming pools. This safety is therefore able to support the weight of an adult, which is necessary to prevent a child or an animal from falling into the water.
  • The opaque bubble cover prevents the natural phenomenon of photosynthesis by preventing light from passing through. This will prevent the development of algae in the pond.

The disadvantages of the bubble cover

  • The less expensive the bubble cover, the less solid, robust and efficient it is. Its lifespan will be shortened and you will have to consider replacing it after 3 to 4 swimming seasons.
  • It is not biodegradable and its replacement generates non-recyclable waste.
  • To limit its erosion, avoid placing it on your swimming pool for 48 hours after a shock treatment, when the water has a pH between 7 and 7.4 or when its temperature exceeds 28 ° C.
  • It does not allow to contribute to the wintering of the swimming pool. The bubble cover should be removed, rinsed, brushed and dried before being folded and stored in a dry and dark place.

What price for a bubble cover for swimming pools?

A bubble cover for a swimming pool costs more or less depending on its category and its thickness. A higher budget is also necessary for a model meeting the NF P 90-308 standard, which acts as a safety device.

On average, count 5 to 10 euros per square meter, knowing that many models can be cut according to your needs and the dimensions or shape of your pool.

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