Grundlagen der filterlosen Aquaristik: der „Filter“ #filterlos

The filter functions fundamentally differently in diffusion-controlled mode than in our familiar filter systems. Here's a simple introduction to the biological relationships. Diffusion filter mats and Diffusion Filter Light are described in more detail. Support: If you would like to support projects that benefit people/associations/institutions in difficult life situations, you are welcome to purchase any of your desired products on Amazon using the following affiliate link. The only important thing is that you click through the link. I will collect the commission and then pass it on to partners I select: https://amzn.to/3cQzBUk Thank you very much :-)