They're clearly healthy. I'd go dig some soil and roots up from under an old tree for your next tea.The microbes are in the roots as well as the soil.Add a dose of grow and top max for food,they love humic acid, top max.That should sort your PH out There's some great posts on collecting microbes on you tube,chris trump is the man with his KNF farming.Id add some PK to fatten those buds up. Wood ash works great for K and shite for P.bat guano really helps with taste as well. Or a cheap bottle of organic PK,10 euro. Top Max is just Humic acid I think which is great but they need some K Potassium to build the cells.
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