Tutorial gravity filter

This new filter and some relationships of filtration are already in the article “Where filter it says is not always filter in it”! the newspaper “Das Schwimmbad und sein Personal” edition 10/2016 explained. The article will be available online soon. A copy of the printed output is shown below and is available for members available here:

Other findings and notes on filtration are in the article “If the chlorine reaches its limits“! in the notebook 09/2018 described. This Newspaper is available online.

For questions about the filter shown, please contact via email to.