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Weird white stuff on lfsm

Posted: Wed Nov 30, 2022 11:59 pm
by Camden
This has been popping up on some of my windowsill plants. It doesn’t seem to be harmful but I don’t really like the look of it. Idk it just gives me bad vibes or something.

Re: Weird white stuff on lfsm

Posted: Thu Dec 01, 2022 7:00 pm
by Savethetrees4life
I’m not certain but it looks like precipitation of minerals.

Re: Weird white stuff on lfsm

Posted: Thu Dec 01, 2022 7:10 pm
by Sundews69
I get that on my peat moss I think. If we have the same thing, it's just a powdery mold. Usually more airflow gets it to go away

Re: Weird white stuff on lfsm

Posted: Thu Dec 01, 2022 10:56 pm
by Bug_cemetery
If it looks like, this my vote is mineral buildup. I had this when I was using leca. Turface or other clay based substrates could do it too. If you rub it between your fingers it is a chalky, slightly gritty paste. I always noticed more of it shortly after I watered (0 tds water) because the moss would be wicking up minerals to the tips where it was evaporating fastest