Pond construction Koi pond webinar with Lars Sebralla on 20 February 2026 via Zoom
Duration: approx. 2.5 hours
Date: Friday, 20 February 2026, 2 p.m.
Pond construction Koi pond
This webinar is aimed at both pond designers and pond owners who are interested in converting their ponds. It offers participants a comprehensive overview of the essential aspects of pond construction, covering all relevant topics and challenges. The agenda includes the planning and design of koi ponds, the selection of suitable materials, the consideration of ecological factors and the implementation of water management systems. The speaker will share valuable experiences and best practices to help participants make informed decisions and avoid potential pitfalls. The aim of the webinar is to provide participants with the knowledge they need to successfully meet both the aesthetic and functional requirements of koi ponds.
The key points of the webinar are:
Planning and construction
- Size, depth, shape, location
- Conversion – Where to put the koi?
- Conversion – Quick reconnection of the technology
- Excavation
- Insulation of the pond
- Bottom drain
- Inspection shaft
- Flush valve Floor drain
- Pond wall
- Bonding of pipes
- Surface suction device
- Lining: foil (EPDM, PE), GRP
- Space for technical equipment
- Substrates for the pond
The webinar will take place via Zoom. We will send you the Zoom link by email in good time.
If you are not yet familiar with Zoom, you can find advice here: click here
Monday to Friday: 9 a.m. to 5 p.m.
Dipl.-Ing. (FH) Lars Sebralla
The speaker has been involved with koi since the early 1990s. From the outset, his focus has been on technology and water chemistry. His experience in freshwater and saltwater aquariums from the early 1980s to the present day and his studies in chemistry have laid the foundations for his expertise in the field of koi. Over the years, he has carried out many series of measurements and investigations. Under identical conditions, he has compared and evaluated various technical devices and types of feed from a scientific perspective. He runs one of the largest German-language websites dedicated to our hobby. Visitors can learn everything there is to know about our koi hobby on over 2,000 pages.
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