Hello! Good looking grow you got going on here! I have a recommendation in regard to your question about the "white substance" on the top of your soil. I have had great luck innoculating with beneficial bacteria and fungi. I probably go overboard these days. Anyhow, you may want to try adding some Mycorrhiza and maybe Serenade or Garden Friendly Organic Fungicide. I use all of them because these actually support plant growth in numerous ways, but also they compete with bacterias and fungi that could be harmful to your plant and detrimental to your health. If you have any questions, I am happy to share information. I am somewhat a NOOB myself, but I have done countless hours of research. I do have a few grows under my belt, but just now starting to get everything dialed in.
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