Compared to the simplicity of building an ornamental garden pond, building a biological pool is a very complex task. The mere fact that several and very different materials are used, requires a team of qualified and experienced personnel. In addition to the technical application of the waterproofing liner and aquatic plants of exclusively indigenous [...]

We've a swimming buddy for a few years, who shares the biological pool with us. His name is Anton and he appeared spontaneously a few years ago. It is a juvenile Iberian pond turtle (Mauremys leprosa) that has chosen our biological pool as a habitat to live. During spring, summer and throughout autumn it [...]

Few people know that invasive plants are one of Portugal's biggest problems, whether in an ecological or economic context. As the website www.invasoras.pt informs, Portuguese legislation recognized the seriousness of this problem, in 1999, a law regulated for the first time, in a comprehensive way, the introduction into nature of non-indigenous (exotic) species and [...]

In biological pools the water temperature is slowly rising, but the aquatic plants still need a few days with more than 16ºC water temperature to launch new shoots. At the beginning of the season, to ensure that algae do not proliferate, collective cooperation and ecological interrelations between organisms constitute the complex process of biological [...]

Congratulations and Thank you SHB! This year we are celebrating 15 years of cooperation with our dear colleagues and friends at SHB, Lda. As a result of this cooperation, 150 biological pools have been created in the country, designed by Bio Piscinas, Lda. and built by Sistemas Hídricos e Balneares, Lda. And the projects [...]