Large of any chemicals, the natural swimming pool or organic swimming is available a homecoming for a resolutely turned swimming to nature. How does a natural swimming pool work? What are the advantages and disadvantages? How to build it and how much does it cost? Pro responses.
Why make a natural swimming pool? Only filtered using mineral substances and suitable plants, without adding products, The natural swimming pool is the guarantee of fresh water, untreated in which small visitors can invite – various and varied frogs and insects. More expensive than a traditional swimming pool, its natural version requires great attention at the time of its construction to ensure its Good landscape integration. If you want to combine the pleasure of the garden with that of swimming, while respecting the environment, you have clicked in the right place.
What is a natural pool?
Also called organic, ecological or landscape swimming, the natural swimming pool is a basin which must, by definition, integrate into the garden which welcomes itas a body of water would do it and not distort the environment around it.
Generally divided into three parts, which are the swimming poolTHE filtration or purification basin and the Oxygenation or regeneration basinthe natural swimming pool can also benefit from a system in only two parts: 80 % of the space is then dedicated to swimming and the remaining 20 % are used for filtration.
When thinking about the development of a natural swimming pool, if there are no particular restrictions, it is still necessary to be vigilant as to the choice of its location. It is better to prefer a more shaded exposure than that of the classic swimming pool, you will soon discover why and you also have to avoid too wooded land. Indeed, who says trees, often says dead leaves that could fall into the natural pool. Also, the natural swimming pool must be protected from the wind.
HAS term, the natural swimming pool must have its own ecosystemresponsible for his biological purification. The latter is based on three agents:
- mineral substances, type gravel or pebbles, on which microorganisms will develop,
- Bacteria which will then transform these microorganisms into elements assimilated by plants,
- Plants, skillfully chosen, which will be able to play their role and filter the water so that it regains swimming, before being filtered again and so on.
Contrary to popular belief, It is not only the plants that will purify the water thanks to their roots, the mineral substrate is also very important in the biological filtration system. On average, all these little people balance after four years. Finally and in order to prevent all rainwater from driving in the natural swimming pool, it is necessary to set up well thought out outdoor drainage, a gravelly strip will do the trick very well.
What plants to adopt around the natural swimming pool?
As with a traditional pool, the natural swimming pool likes aquatic plants: Hippuris vulgaris, Elodée, Pontedérie. Plants that will compete with algae by feeding in the same way as they. Underwater plants and macrophytes are also welcome, like the rushes, iris and other reeds, also called phragmites. Finally, make way for plants with a purifying but also decorative role, like the water lilies or papyrus.
What are the advantages?
Above all, this type of swimming pool offers a freedom of form Larger than those that we are used to seeing. If it is well thought out, organic swimming fits perfectly with the surrounding garden, much better than a traditional swimming pool. Her fresh water is pure because they are unsaid, enough to wade their eyes closed … as open! On the temperature side, it warms up quickly thanks to the pebbles that surround it.
What are the disadvantages?
If it can gain heat in a natural way, landscape swimming cannot be heated differently, therefore beware of thermal shocks when it rains or the temperatures fall unexpectedly. In case of hot weather, unsightly algae may appear and hinder his users. Finally, the period of use of a biological swim is shorter than that of a conventional swimming pool.
Is the natural swimming pool a source of danger?
If they have, until then, never represented risks strictly speaking to the health of bathers, natural swimming pools can be subject to theeutrophication. Conditioned by heat, the decomposition of plants and the presence in large quantities of nitrate and phosphate, this phenomenon results in the formation of algae, phytoplankton, a rapid degradation of the surrounding vegetation and an unpleasant odor. To avoid it, be sure to take care of the plants surrounding your natural swimming and, why not, to install a cascade, the water will have less chance of stagnating.
What maintenance for a natural swimming pool?
In the swimming part, you can immerse a robot inside the water to remove the pests and, more daily, pMake a plunge on the surface to remove the dead leaves. You also have to think of put the plants When the need is felt. The goal? That they do not invade the swimming space. Side filtration area, it gets complicated, it is important to Check the pH of the water In order to find and then keep the right biological balance and regularly clean the filters.
What is the price of a natural swimming pool?
Contrary to what one might think, a natural swimming pool costs no less than a so -called traditional model. Added to the waterproofing, everything related to the filtration part is often very expensive. On average, for a pool of 8 x 4 m, a budget of 50,000 euros it takes. (Thank you to the landscape architect Eric Lequerier for his expertise and his precious advice – La Petite Bellevue, 35430 Saint -Jouan -des -Guérets – 02 99 82 38 43 – [email protected])
