I recently switched several plants from bark to a mix of lecca and rock wool. Several are starting to grow mold on both the lecca and rock wool. I am suspecting the source might be some cheap rockwool from Amazon. But strange that it is growing on an inorganic medium? I have physan 20 but the directions says to spray the plant, nothing about drenching the medium. But can I and at what strength? I also have biosafe H2O2. Can I use that as a drench? Any other suggestions for getting rid of mold? Thanks for any thoughts.
Mold on medium
- Thread starter Roots
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