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So far Udo has created 377 blog entries.

November 2023

Rainwater

2023-10-30T11:13:14+00:00

Rainwater and biological pools constitute an ambivalent relationship. When it rains, the biological pools fill with good quality water, very pure water, almost H2O quality. Welcome rain! However, due to the purity of this water, it is not recommended to fill a biological pool entirely with rainwater alone. Water without any mineral additives is [...]

Rainwater2023-10-30T11:13:14+00:00

October 2023

Aquatic plant specialists

2023-09-30T14:25:03+01:00

Knowledge about aquatic plants is an important basis for the work as biological pool specialists. Due to this knowledge in the area, Udo Schwarzer is part of the IUCN/SSC freshwater plant specialist group. And this scientific basis is also sought after by private and public entities to survey species and aquatic vegetation in natural [...]

Aquatic plant specialists2023-09-30T14:25:03+01:00

No ducks, please!

2023-09-30T14:35:40+01:00

One might think that ducks in the biological pool are as welcome as many other living beings. But the opposite is the case! Ducks have to be scared away from the first moment they appear. Why? - The organic load they leave in the biological pool is simply unbearable. The organic matter that leaves [...]

No ducks, please!2023-09-30T14:35:40+01:00

September 2023

Visible temperatures

2023-08-31T12:23:15+01:00

The photo was taken with a thermal camera, a device that records temperature differences and transforms them into an image. The image shows a biological pool during an August night. You can see the ladder with stairs. Colors represent temperature classes. Terrestrial vegetation is the coldest, in blue. On the banks you can see [...]

Visible temperatures2023-08-31T12:23:15+01:00

Caterpillars in the water

2023-08-31T12:21:49+01:00

Life in a biological pool is so diverse that it is no surprise that butterflies live there underwater. Well, they are not butterflies capable of flying because they are just the butterfly larvae with the scientific name Parapoyns stratiotata that feed on leaves of aquatic plants as shown in the photo. Those caterpillars are very [...]

Caterpillars in the water2023-08-31T12:21:49+01:00

August 2023

PB.22.000

2023-08-01T14:09:21+01:00

In times of inflation, rising energy costs and therefore transport, it is difficult to offer products at an affordable price. Bio Piscinas, Lda. together with its partner, SHB, Lda. managed to set up a model of pre-configured biological pool, designed for single-family houses, that is, for private use, not for tourism. Called PB.22.000 this [...]

PB.22.0002023-08-01T14:09:21+01:00

Biopool at Vila Rachel

2023-08-01T14:08:21+01:00

Quinta Vila Rachel is located in the Ribatua Valley, near Alijó, close to the banks of the Douro River. Due to this privileged position, since the time of its foundation, the Quinta has been dedicated to the production of grapes, port wine and olive oil, through cultivation in its 30 ha of property. Nowadays, [...]

Biopool at Vila Rachel2023-08-01T14:08:21+01:00

July 2023

Gray or green?

2023-07-01T10:33:20+01:00

Gray and green are the colors available for the lining of biological pools. It is a noble material, produced for the purpose and certified for potable water. This is an important fact, because we have to use materials that, by guarantee, do not emit any products to the aquatic ecosystem of the biological pool. [...]

Gray or green?2023-07-01T10:33:20+01:00

Water vole

2023-07-01T13:33:57+01:00

The water vole (Arvicula sapidus) is not a rat. It looks more like a small beaver than a mouse and actually behaves like one. Water voles have rounder noses than voles, dark brown fur, chubby faces and short, fluffy ears, unlike voles, their tails, paws and ears are covered with fur. The problem is finding [...]

Water vole2023-07-01T13:33:57+01:00

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
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