More ideas from koriml
Natural pool diagram found on Marie Clair Maison ~ (Utilized Google Translate to translate French (notes) to English, which read: Generally, the natural pool consisted of two zones: the zone of swimming and the regeneration zone. It is in the latter that are installed plants, gravel and microorganisms do their filtering work | marieclairemaison.com

Natural pool with waterfall to promote water flow through plants. And I think i would add hidden fencing or chicken wire to make a koi pond inside the planted area. The koi are cool, but the also add the nitrates to the water to feed the plants!

Yes, Eco-Friendly Backyard Pools Do Exist...  Installing a backyard pool doesn’t have to be at odds with your eco-conscious lifestyle. The green marketplace is doing more to meet the demands of consumers who enjoy the luxuries of life but don’t want to sacrifice the environment to get them. Even the swimming pool industry is creating increasingly responsible products that help offset a pool’s environmental impact.

Eco-Friendly Natural Swimming Pools Natural pools eliminate harsh chemicals like chlorine by combining the cleaning properties of plants with bio-filtration and skimming systems. The pools are separated into two zones the plant zone and the swimming zone.