I've been germinating seeds in rockwool cubes and while they sprout just fine, they consistently end up drowning after a while. I struggle to managing the water balance correctly - they're either too dry or too wet. I am currently in a dry climate.

Has anyone else dealt with this? Any tips on how to maintain the right moisture level?

Would love to hear what’s worked for others using rockwool (or anyrhing else, really) for germination.

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[–] 2 points 1 year ago* (last edited 1 year ago) (1 child)

So I've always used a seedling starter tray like this, which worked for me.

In your case, I wonder if adding some wicking material for each cell would help prevent dry out?

EDIT: I think one thing to also try is to cover the ice cube tray with clear plastic. All the seedling trays I've seen come with a clear plastic cover with a vent, which helps to recapture moisture.

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