Technology at the koi pond Webinar with Lars Sebralla on 27 February 2026 via Zoom
Duration: approx. 2.5 hours
Technology at the koi pond
We would like to cordially invite you to our upcoming seminar, which is designed for both pond planners and pond owners. This webinar offers a great opportunity to learn about important optimisations for existing ponds and to find out about the technical possibilities.
Our experienced speaker Lars Sebralla (www.Teichratgeber.de) will show you the advantages and disadvantages of various technologies and materials, drawing on almost 30 years of experience in "koi technology".
The focus is on running costs and technology, with their respective advantages and disadvantages. These include floor drains, surface skimmers, pumped and gravity filter systems, pre-filters such as vortex, slotted screens and drum filters, as well as various filter types such as multi-chamber filters, cartridge filters, bead filters, fleece filters and endless belt filters. We will also cover pumps for ponds, plant filters, skimmers, UV lamps, heating, aeration and the use of ozone in ponds. Winter covers will also be discussed.
Technology with advantages and disadvantages: -
Bottom drains - Surface
skimmers - Running costs! - Pumped
filter systems - Gravity filter
systems - Pre-filters: Vortex, slotted screens,
drum filters - Filters: multi-chamber filters, cartridge
filters, bead filters, fleece filters, endless belt filters - Pumps for ponds - Plant
filters - Skimmers
- UV
lamps - Heating: temperature control and heating (summary)
-
Aeration - Ozone use in
ponds - Winter covers (summary)
After the webinar, you will have the opportunity to ask questions about koi and ponds.
We look forward to your participation and an exciting exchange.
Each participant will receive all
slides shown as a handout.
The webinar lasts approximately 90-120 minutes,
divided into two 45/60-minute sessions with a short break in between.
We look forward
to your participation and an exciting exchange.
Here you will find advice if you are not yet familiar with Zoom: 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 numerous measurement series and studies. 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 2,700 pages.
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