How many bottom drains in a swimming pool?

How many bottom drains in a swimming pool? It is an element that is not always essential but that we strongly recommend in the context of a natural swimming pool. Everything will depend on your filtration principle. In general, an above ground pool is not equipped with a drain. It settles in the construction of the swimming pool and participates in the good circulation of water in the swimming pool.

How many bottom drains should be installed in a swimming pool?

Main drains are elements that should not be forgotten when installing in-ground pools. They guarantee the clarity of the water by circulating it in the deepest part of the pool. In addition, they maintain an even temperature throughout the pool. So, how many bottom drains to install in a swimming pool? Discover our answer in this article!

What is the role of bottom drains?

Bottom drains are mechanisms that facilitate the maintenance of in-ground pools. In addition to evacuating impurities, they mix the water contained in the bottom of the basin in order to improve the quality of filtration. These installations usually complement the use of skimmers.

Pool skimmers are filters that capture debris floating on the surface before it sinks to the bottom of the pool. The heavier particles that fall to the bottom of the pool are then sucked up by the bottom drains.

But, how many bottom drains to install in your pool?

We advise you to use one bottom drain per 40m2 of swimming pool. Everything will also depend on the type of pool you are going to create. In a natural swimming pool, we recommend one skimmer per 30M2 of surface.

How many main drains should be installed in a swimming pool?

As a general rule, only a bottom drain is enough to suck up the water from the bottom of the pool to send it to the filter. On the other hand, it is essential to choose your model carefully in order to avoid any problems in the future.

Thus, we advise you to buy a bottom drain in ABS treated against UV and resistant to cleaning products. By doing this, you can maintain your pool without fear of damaging your main drain. To avoid whirlpools and the risk of drowning, opt for an anti-vortex device. Finally, choose a protective grid that is strong enough, especially if your pool is intended for human use. This must then be able to support the weight of the swimmers.

How to install a bottom drain in your swimming pool?

The bottom drain is the first part you will install in your pool or pond. For correct installation, place the bottom drain before pouring the concrete. If possible, we advise you to fill your pipes with water so that they do not rise when pouring. Finally, remember to leave at least 50 centimeters between the bottom drain and the edge of the pool.

Not a handyman and don't know where to start? Contact a professional craftsman to install your main drain in the rules of the art. You will get a perfect and safe result.

Conclusion: everything you need to remember from this guide!

Even if it is not mandatory, the bottom drain will allow better mixing of the water in your pool. Dirt and waste will not be able to accumulate at the bottom of the basin, which will avoid “bottom sludge” (pathogenic agent for your fish). Like a siphon in a sink, a bottom drain will help your pool stay cleaner longer.

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