Stop throwing out used coffee grounds. Here are 10 brilliant hacks to use them around the house | July 2, 2025

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Every day, millions of people around the world enjoy their morning cup of coffee, but what happens to the grounds once the coffee is brewed? Typically, they end up in the trash, contributing to the growing problem of waste. However, used coffee grounds are far from useless. They are a versatile and valuable resource that can be repurposed in numerous ways around the home. By reusing coffee grounds, you not only reduce waste but also save money and contribute to a more sustainable lifestyle. This article explores ten brilliant hacks to make the most of your used coffee grounds.
Understanding the Composition of Used Coffee Grounds
Used coffee grounds are rich in organic material, containing nitrogen, potassium, and phosphorus, which are essential nutrients for plant growth. They also contain small amounts of other minerals like magnesium and copper. The grounds are slightly acidic, which can be beneficial for certain plants and cleaning applications. Additionally, coffee grounds have a gritty texture, making them an excellent natural abrasive. Understanding these properties is key to effectively utilizing coffee grounds in various household applications.
How to Properly Collect and Store Used Coffee Grounds
To make the most of your used coffee grounds, it’s important to collect and store them properly. After brewing your coffee, allow the grounds to cool before transferring them to a container with a tight-fitting lid. Store the container in a cool, dry place to prevent mold growth. If you accumulate a large amount, consider freezing them in an airtight bag to keep them fresh until you’re ready to use them. Regularly check for any signs of spoilage and discard any grounds that have developed an off smell or appearance.

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