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?