I started my plants in small rockwool cubes.

[toast]

I started my plants in small rockwool cubes. I put the cubes in the cups with grow rocks. If I wet the rockwool cubes every half hour or so, am I going to get root/stem rot in the cubes?

[Ron]

I don't think so. I know that would be better than letting them dry out because then they would be toast.