DIY - drainage pipes in swimmteich construction 

What is a drainage pipe?
Where do I need it in the construction of swim ponds or swimmteichs?
For what purpose do you install drain pipes?
We answer all those questions in this video and hopefully that helps people around the worl who are willing to built themselves a swimmteich = Teichdoctor-Teich = tec-free natural swimming pool without plants.
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*DIY-How to build a natural pool/swimmteich
This book shows clearly and with detailed step-by-step instructions with pictures and sketches, how you can build a natural pool/schwimmteich in your garden without technology and plants.
amzn.to/3Ah2X78
or as pdf / DIY-How to build a natural pool/swimmteich (EBOOK)
teichschwimmer.com/produkt/di...
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