The pool experts / Freepool, the Healthiest, All-In-One Water Treatment System for Public Pools | THE COOL POOL by Fluidra

The pool at Club Natació Atlètic-Barceloneta (CNAB) staged the launch of FreePool, a new all-in-one water treatment and disinfection system for public pools that improves the health and well-being of swimmers. The system was developed by Fluidra and its benefits have been endorsed by Hospital Clínic de Barcelona and Universitat Autònoma de Barcelona (UAB).

The launch event held this morning was attended by all of the partners involved in the project: Fluidra, CNAB, Hospital Clínic and UAB. This unique partnership between a business, a hospital, a university and a swimming club was possible thanks to the involvement of Indescat, the sports industry’s industrial cluster in Catalonia.

FreePool is the latest example of its commitment to more sustainable innovation. In addition to reducing water consumption, the system brings two revolutionary technologies together: Neolysis, which has been proven to be the most natural and sustainable disinfection system in the market; and the GVG system, which regulates pH levels by injecting high quality CO2 into it.


The results of this pioneering and highly effective combination could not be more satisfactory. The study conducted by Hospital Clínic and UAB showed that installing FreePool had beneficial effects on the environment, as well as on the health and well-being of swimmers.

In the study, the scientists from Hospital Clínic concluded that FreePool significantly reduces the discomfort felt on the skin and the inflammation markers in the airways. Specifically, the system reduces the rate of sore eyes by 59% and, in the case of discomfort in the nasal passages, by 33%.

Insofar as environmental impact is concerned, the researchers from UAB highlighted the improved quality of air delivered by the system. The study shows that oxidants drop by 75%, water savings of 66% are made and there is 20% less combined chlorine in the water.


Moreover, FreePool disinfects the water without chlorinated products, which reduces the concentration of chloramines and inhibits the strong smell of disinfectant that characterises large swimming pools. This brings about a pleasant feeling of cleanliness and greatly improves swimmers’ well-being.

In addition, thanks to the fact that the system does not use chlorinated or acid products, there is no longer the need to handle or dose any chemical products whatsoever, thus making it safer for swimmers and pool maintenance staff.

The study was conducted at CNAB’s facilities, which following the installation of FreePool has become the first swimming pool in the world to have this revolutionary system.


FreePool attracted great media attention and there is every indication that this will mark the before and after of water treatment in public pools. Here is a selection of articles that have reported on the advantages of FreePool (PDF).