An ecological pool is a water-treatment and maintenance project, not simply a pool surrounded by plants. Different systems use different combinations of filtration, biological treatment and disinfection.
Define the intended use
Describe the pool volume, number of users, private or commercial use, location, sun exposure and existing equipment. Clear water alone does not prove suitable microbiological quality. A qualified designer must verify the monitoring, disinfection and approval requirements applicable to the pool.
Ask how the treatment works
Ask which components are included, which parameters are monitored and what happens when equipment fails. UV treatment acts when water passes through the unit; it should not be treated as a guarantee that the pool contains a lasting disinfectant residual.
Compare maintenance and running costs
Ask about routine inspection, cleaning, consumables, electricity and replacement parts. Require site-specific evidence for performance and suitability. A system described as natural still needs planned operation.
Read the Hebrew ecological pool guide and the Kmobateva technology overview (Hebrew).