Thank you! Very clear explanation. So maybe ducks naturally avoid those waters in summer. I keep mine in the streaming river and out of the shallow ditch to be sure...
Is there something known about Cyanobacteria too? How are ducks effected (or not) It’s a common topic on the radio at the moment where I live and they warn people and dogs to not go and swim before you are absolutely sure Cyanobacteria are not present. This is a topic every summer but I’ve never...