I have used it in the past and was going to this spring but went with top soil that had peat,sand and manure mixture instead.If you want to lower the PH I have used Cotton seed meal.Worms love it as well as my tomato and pepper plants.I have a soil with lots of clay and have tried many things the last 20 years.Now I use a couple bales of straw during the growing season as thick layer of mulch.So I guess it's a pro and have no con.
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