Weird white stuff on lfsm

Weird white stuff on lfsm#424953

By Camden -  Wed Nov 30, 2022 11:59 pm
Location:  Upper VA, U.S.A - Zone 7B
Posts:  1714
Joined:  Mon May 23, 2022 9:25 pm

- Wed Nov 30, 2022 11:59 pm #424953

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.

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Re: Weird white stuff on lfsm#425042

By Savethetrees4life -  Thu Dec 01, 2022 7:00 pm
Location:  Zone 4 Central Minnesota USA
Posts:  396
Joined:  Thu Sep 09, 2021 10:26 pm

- Thu Dec 01, 2022 7:00 pm #425042

I’m not certain but it looks like precipitation of minerals.

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Re: Weird white stuff on lfsm#425044

By Sundews69 -  Thu Dec 01, 2022 7:10 pm
Location:  Wisconsin Zone 5a
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- Thu Dec 01, 2022 7:10 pm #425044

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

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Re: Weird white stuff on lfsm#425065

By Bug_cemetery -  Thu Dec 01, 2022 10:56 pm
Posts:  208
Joined:  Tue Mar 08, 2022 11:48 pm

- Thu Dec 01, 2022 10:56 pm #425065

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

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