IT IS POSSIBLE!
Blozoen Europe nv is a Belgian manufacturer of specially developed solar collectors for swimming pools and ponds. Owing to their high efficiency, these collectors can guarantee an optima temperature of the water during the whole season.
HOW DOES IT WORK?
By using sun-energy, you choose the most durable option to heat you swimming pools/pond. Above that you will experience an ultra low heating cost as sun-energy is free of charge. The Blozoen system, that have been used for more then 30 years, is provided with a flexible heating pipe rolled like a serpentine and made of a material that has the quality of converting the ultrashortwave radiation of the light directly into heat, even under a cloudy sky.