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Yes! I’ve been wondering about vinegar extractions! I just started experimenting with it.
My process has been to cook the material, pulverize it in a blender with apple cider vinegar, and top off the container with more vinegar. Definitely fun to make! I’ve noticed that if I really really cook the materials (>900F maybe), I don’t see nearly as much of a reaction.
Andrew, do you use the WCA in a foliar spray? Have you ever tested it’s mineral content? Do you think it’s an effective Ca fertilizer?
Here’s a cool paper about using microbes to solubilize the Ca + P in bones as a way to add value to a waste product.
Tables from Nigel Palmer’s book, The Regenerative Grower’s Guide to Garden Amendments
