About Udo

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So far Udo has created 377 blog entries.

November 2020

Swimming pond in granite

2020-10-31T15:35:22+00:00

Extraordinary sites need extraordinary solutions. For this biological pool the client dreamed of framing it in a certain position with the house to be visible from living room and terrace and to be aligned with the best view it has. In this pre-chosen location there were already some rocks, more or less huge, and [...]

Swimming pond in granite2020-10-31T15:35:22+00:00

Storing heat

2020-10-31T18:30:43+00:00

Water is a very special liquid. For example, the energy retention of water is very good, while it takes a lot of energy to heat water. These photos from a thermal camera day and night show the comparatively cold water (dark blue) in the biological pool (during the day) and the high temperatures, at [...]

Storing heat2020-10-31T18:30:43+00:00

False prophets

2020-10-31T16:08:36+00:00

Unfortunately, news like this arrives more and more at our office: "Last summer a man convinced us to build a swimming pool (10 m x 5 m) and a lake next to it, saying that it would be enough to clean the pool water (the lake is 5 m x 1.5 m). With the [...]

False prophets2020-10-31T16:08:36+00:00

October 2020

Contemplation

2020-09-29T19:34:53+01:00

Silent lakes give off an air of tranquility and peace. It is not by coincidence that many biological pools for tourist use offer contemplative spaces close to water. Many of the facilities have, like the one in the photo, playing or meditation platforms, outdoor activities that use the contemplative scenery offered by the water [...]

Contemplation2020-09-29T19:34:53+01:00

Circular Economy

2020-09-29T19:22:25+01:00

All the materials used in the construction of biological pools must meet the requirements of Circular Economy, this is our great challenge for the coming years. The objective is to eliminate waste and continuous consumption of resources. Circular systems employ reuse, sharing, repair, renovation, remanufacturing and recycling to create a closed-loop system, minimizing the [...]

Circular Economy2020-09-29T19:22:25+01:00

Rare dragonfly

2020-09-29T18:39:35+01:00

Welcome to Portugal could be said to this new species of dragonfly who is entering Portuguese territory from Spain. It is not an introduction because the insects come by their own. Scientists call it Trithemis kirbyi. About two decades ago, the dragonfly began to occupy the neighboring country Spain from North Africa where it [...]

Rare dragonfly2020-09-29T18:39:35+01:00

September 2020

Kingfisher

2020-08-30T17:41:09+01:00

September is the month when water is most lacking in nature. The lakes and dams have a very low level, even some are already dry, and in the streams there is little water left. This is the time when the kingfisher starts to appear next to the biological pools. Since he finds a place [...]

Kingfisher2020-08-30T17:41:09+01:00

August 2020

Rare spieces

2020-07-31T16:37:52+01:00

There are few rare species of aquatic plants. Many of them have a large distribution from North to South in Europe and even some are found naturally on both sides of the Atlantic Ocean or from Portugal to Siberia. This is explained by the adaptation of aquatic plants to live in or at the [...]

Rare spieces2020-07-31T16:37:52+01:00

Designing swimming ponds since 25 years

2020-07-31T16:39:45+01:00

In this interview Udo Schwarzer, biologist, talks about his work with biological pools, which have been a story of success for 25 years. Water is important to you because ...? It's life. What was the first biological pool that you designed? A successful challenge. What distinguishes designs from the early days from today? The [...]

Designing swimming ponds since 25 years2020-07-31T16:39:45+01:00

July 2020

Nitrogen

2020-06-29T15:02:04+01:00

Plant growth is essential for the ecosystem in a biological pool. Well growing plants incorporate nutrients diluted in water and are thus the natural competitors of algae. Well-developed aquatic vegetation is the basis for bathing  water quality. Like terrestrial plants, aquatic plants also release a lot of oxygen during the day. In well-oxygenated water, [...]

Nitrogen2020-06-29T15:02:04+01:00
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