news

June 2023

Complexity of work

2023-06-01T10:14:54+01:00

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 [...]

Complexity of work2023-06-01T10:14:54+01:00

International swimming pond day

2023-06-01T09:53:49+01:00

June 17th is International Natural Pool Day. In this context, the International Organization of Biologically Treated Swimming Pools (IOB) organizes a photo contest of great moments next to a biological swimming pool in the last 12 months. You can share your best moment of last year with other fans of biological pools. In the [...]

International swimming pond day2023-06-01T09:53:49+01:00

May 2023

Anton’s return

2023-05-02T09:18:02+01:00

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 [...]

Anton’s return2023-05-02T09:18:02+01:00

Ponds without fish

2023-05-02T09:17:23+01:00

Portugal is one of the countries in Europe where fish is very important, whether in the sea or on the plate. Freshwater fish are less appreciated, either in rivers or on plates. What about fish in ponds or small lakes? In principle there are no. There are species of freshwater fish introduced in Portugal, [...]

Ponds without fish2023-05-02T09:17:23+01:00

Invasive plantas

2023-05-02T09:15:01+01:00

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 [...]

Invasive plantas2023-05-02T09:15:01+01:00

April 2023

World Water Day

2023-04-01T10:59:13+01:00

I am very grateful for the course of our lives that allowed me to dedicate my professional life to working with biological water treatment systems, or, in other words, to the area of water depollution. And I really enjoy preserving and protecting this precious asset, it gives me immense pleasure. Water is my element, [...]

World Water Day2023-04-01T10:59:13+01:00

Ready for a splash?

2023-04-01T10:55:32+01:00

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 [...]

Ready for a splash?2023-04-01T10:55:32+01:00

The emperor

2023-04-01T10:55:06+01:00

The emperor of the biological pool is not a frog, the emperor is a dragonfly. Anax imperator, thus the scientific name, is one of the largest species on the continent where it is abundant from North to South. The male is dressed in bright turquoise blue colors, and is tirelessly in flight above the [...]

The emperor2023-04-01T10:55:06+01:00

March 2023

150 swimming ponds in 15 years

2023-03-07T10:28:25+00:00

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 [...]

150 swimming ponds in 15 years2023-03-07T10:28:25+00:00

Water-starwort

2023-02-27T18:04:42+00:00

The name Water-starwort (Callitriche) identifies species of a small group of aquatic plants that typically have their greatest expansion in late winter and spring. They are plants rooted in substrates of shallow waters with thin and narrow leaves along a slender stem and always ending at the top with some leaves organized in a [...]

Water-starwort2023-02-27T18:04:42+00:00
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