this post was submitted on 17 May 2026
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Hydroponics

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A community dedicated to every form of hydroponics, a technique for growing plants without soil.

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Advice needed: How to combat mold indoors? (slrpnk.net)
submitted 4 days ago* (last edited 4 days ago) by Prunebutt@slrpnk.net to c/hydroponics@slrpnk.net
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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 -1 points 4 days ago

It's just quite a humid appartment. Already ventilating like crazy. :/