Earth Day: All-Natural Swimming Pools

In honor of Earth Day, I wanted to write a post about all-natural swimming pools. They’re a fairly new concept, developed in Austria and Germany in the 1980s. I have mixed thoughts on them. When I first heard about all-natural swimming pools, I thought the idea sounded kind of disgusting. How can you have a swimming pool with no chemicals? On the other hand, they are stunning. Talk about a conversation piece!

25Waterworld_Piscine-naturelleI was recently watching the show “The Pool Master” on Animal Planet. All of the pools that he builds are natural swimming pools. If you’ve ever watched the show, you have seen the beautiful work that he does. The pools really do look like something you would find in nature. I wanted to look further into the idea of this type of pool, though, because you always want to make sure the water is safe and clean before you swim.

How All-Natural Swimming Pools Work


To start with, there are several zones that are used in natural swimming pools. The Regeneration or Filter Zone is filled with aquatic plants and haydite, a type of rock to which bacteria attaches. Depending on the climate that you live in, plants such as water lilies, lotuses, grasses or any species that thrives in moist wetlands will work. This zone acts as an ecosystem that cleans the pool water. Clean water then flows from there into the Swimming Zone, which I think is pretty self-explanatory. A skimmer removes large debris and leaves from the water’s surface. Sand filters are also generally used with natural pools. The best way to circulate and oxygenate the water though, is with waterfalls. bionovaIf you’re concerned with mosquitoes, it’s not an issue.  Mosquitoes breed in stagnant water whether it’s chlorinated or not.  Since the water in a natural pool is never stagnant, they don’t find it an attractive place to breed.


  • naturalpoolwoodhouseNatural swimming pools are completely chemical free, so they are excellent for the environment.
  • Natural pools are very adaptable and can look amazing, as if they’re something you’d find in the woods, complete with rocks, plants, boulders and waterfalls.
  • You don’t need to cover a natural swimming pool in the winter, instead you can ice skate on it when it freezes!
  • Natural pools require much less maintenance than traditional pools.  You also save money by not having to buy pool chemicals.


  • The cost of putting in a natural swimming pool is much higher than a traditional one because they require more effort to build.  They’re also much less common than traditional pools, so finding the right contractor could be tough.
  • Natural pools require a lot more space than a traditional pool because of the regeneration zone.
  • Swimmers might also be turned off by the aesthetics of a natural pool because it will have a different look than your traditional sparkling, blue water.

Whether you opt for a natural or traditional swimming pool, the result is ultimately the same: summer fun for all!

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April 2015
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