I think it must be because their products can give out perfect leaf samples when they are analyzed, so maybe they don't feel there is a need. I will ask Mike the next time I talk to him. I have not seen much on the Silica front these days, guess I will have to go ask some pot growers whats going on, they will know. LOL
I did have good luck with BB, but I like Crnkovic better, so it's my pink beefsteak go too.
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