True! Your morning cup of joe can do more than just get you ready for your day. Those used up coffee grounds make perfect worm food for hungry red wigglers!
Are Those Flavored Grounds Just as Safe?
Even mocha, or salted caramel flavored coffee grounds are made from organic matter, so, YES, bring ‘em on!
It’s true that coffee grounds are pretty acidic and should therefore be balanced with the addition of eggshells to neutralize their pH. But layered in and amongst the other materials you add to the worm bin, pounds of coffee grounds are a perfect example of the great volume of waste our worms can transform from trash into treasure!
Many coffee shops gladly offload their spent grounds for free. Even better, the coffee filter that holds those grounds is edible too!
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