this post was submitted on 17 May 2026
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Hydroponics

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Hi!

I've been running a kratky-experiment with some basil in a 3l yogurt bucket and stonewool/clay substrate.

However, my household is quite succeptible to mold growth, so the substrate and the stone wool sadly received some white swaths.

How do I prevent/fight this? Removing the plant from the stone wool is probably impossible. I already got some H2O2, but I'd need to be careful not to hit the stem. Do you have any mitigation strategies/ideas?

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[–] Prunebutt@slrpnk.net 2 points 4 days ago

I don't think that it was actually a solution to my problem. Mold spores are in the air, no matter how much you ventilate.

They replied as if I had a general mold problem. But "keep everything dry" is not a viable solution in a hydro setup.

Also, I don't appreciate the tone of your crass example. Quite derogatory towards sex workers.