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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comI have seen several articles on the web that state that coffee grounds have a nearly neutral pH. However, I then read another article containing comments from a lab that has tested used coffee grounds whose results consistently show a pH of 5.0 or below. Are all the stories about neutral pH anecdotal? Do any of these sources have lab results to confirm their statements? Thanks, in advance, for helping clarify the issue.
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[1] https://extension.oregonstate.edu/gardening/techniques/coffee-grounds-composting: https://extension.oregonstate.edu/gardening/techniques/coffee-grounds-composting
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1 Comment To "Coffee grounds pH confusion"
#1 Comment By Downtoearthdigs On 07/02/2018 @ 8:50 am
This link may help you.
https://extension.oregonstate.edu/gardening/techniques/coffee-grounds-composting [1]