this post was submitted on 24 May 2024
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Soil Science

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How do I neutralize the acidity of used coffee grounds for use as fertilizer? (slrpnk.net)
submitted 3 months ago by [email protected] to c/[email protected]
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I've recently tried mixing the used coffee grounds in baking soda, and I'm seeing a very visible chemical reaction. I haven't tried putting it in the ground yet though.

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[โ€“] [email protected] 3 points 3 months ago (1 children)

Just compost them. No need to add baking soda unless you want your soil to be light and fluffy like pancakes.

They're high in nitrogen and when mixed with carbon based materials will make excellent compost/soil amendment in 6-12 months. Shorter if you hot compost or bokashi.