Vnaz50 Posted March 20, 2021 Share Posted March 20, 2021 I have pulled all of the dark sediment. Below it is more of the sediment that I’ve been finding. On the top of it is a white powdery substance. Is this just efflorescence? It’s also on the bottom side of some of the darker sediment. Link to comment Share on other sites More sharing options...
Ludwigia Posted March 21, 2021 Share Posted March 21, 2021 Maybe some kind of salt from the humus? Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Vnaz50 Posted March 21, 2021 Author Share Posted March 21, 2021 6 hours ago, Ludwigia said: Maybe some kind of salt from the humus? That would make sense. We do have notoriously hard water that calcifies and ruins a lot of stuff. Link to comment Share on other sites More sharing options...
Vnaz50 Posted March 21, 2021 Author Share Posted March 21, 2021 I’m hoping to be able to determine eventually if it’s plant or animal Link to comment Share on other sites More sharing options...
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