How to dispose of Coffee Grounds from a French Press?

Coffee is one of the most beloved and consumed beverages in the world. Over 2.2 billion cups of coffee are consumed daily all across the globe, that’s 166 million bags of coffee, this makes it a 460 billion dollar global market. 

It produces millions of tons of coffee waste annually in the United States alone. Most of these are produced by coffee shops and restaurants, but as coffee gains popularity, a large portion of us cannot start the day with a freshly made cup of coffee at home. 

Coffee beans are ground according to what type of coffee is expected. Espresso grind is much finer than filter coffee for example. The grind for the french press is slightly coarser than the ground for drip coffee. Most households use a french press to make their morning coffee. 

Now, you may wonder what is the best way to dispose of coffee grounds from a french press in the house?  This article will address that question, it will also explain what ways coffee grounds can be used around the house to reduce waste. Lastly, it will go over how coffee waste is being used by innovative companies to make sustainable products for consumption. 

How to dispose of Coffee Grounds from a French Press?

Coffee is considered normal household waste, you can toss it in the garbage like other wastes. However, disposing of coffee this way only adds more waste into landfills, with no guarantee that it will decompose quickly. There are better ways to dispose of coffee grounds, below is a list of 5 such uses of ground coffee from here on out.  

You can use the coffee ground as a raw fertilizer: 

Ground coffee is an excellent fertilizer for certain plants that require acidic soil conditions. Coffee turns the soil acidic and when used properly, this will allow the plants to grow and flourish in no time. 

Coffee ground is also used to grow oyster mushrooms, if you’re into gardening or growing your mushrooms, then you can try coffee grounds and see what happens. 

Coffee can be composted: 

Coffee makes excellent green matter for compost, you can add your coffee straight from the french press into the compost while it’s wet. Compost with coffee may not be suitable for all plants, so make sure you do your research before you add it to your garden compost pile. 

You can contact your community garden project to ask if they accept coffee grounds for composting. BesideBesides compost, the coffee ground has the right consistency to be turned into mulch as well.

Coffee as a fridge deodorizer: 

Coffee grounds absorb bad smells from their surroundings. You can use these as a fridge deodorizer. You can place the coffee ground in a cup and leave it in the fridge to absorb the smell. You can switch out the grounds every other day. 

Keep in mind that wet coffee grounds get very moldy and you should change the amount in the fridge regularly. Alternatively, you can dry out your coffee using newspaper and parchment paper to keep it from growing mold. 

Coffee for personal care: 

Coffee is great for personal care. Although it is not scientifically proven, there are claims that coffee helps with cellulitis. You can also use coffee as a scrub for your body. But make sure you do not wash the grounds down the sink or shower drain. 

Coffee in DIY projects: 

You can add coffee grounds to your DIY candles to get that perfect aroma all day long. There are many other things you can make with used coffee grounds. For example a homemade air freshener, or a slew of other things. You can find more ideas here

Using coffee waste to create a sustainable future: 

Coffee is a very popular beverage, the main reason is its caffeine content, caffeine is perhaps the most widely taken drug in the world. An average cup of coffee contains twice as much caffeine as a cup of tea. Hence the demand. 

Due to this increasing popularity, there is increasing waste. The coffee ground after the coffee is made is wastewater, the coffee chaff is also waste. Coffee chaff is the skin of the coffee bean that is discarded. 

Recently, companies and entrepreneurs are finding innovative ideas to upcycle coffee waste into fuel, car parts, and reusable cups. 

A UK-based UK-based company named Bio-Beans is converting the coffee waste of London into biofuels and coffee logs. These logs can be burned in a fireplace, and biofuel is an oil that can be burned by traditional oil-powered engines. 

Mcdonald in the US produces 62 million pounds of coffee chaff annually. This chaff is sent to Ford factories to be made into car parts. This is an incredible way to reduce waste and reuse material and curb the need to use fossil fuels. 

Billions of one-time paper cups are used each year for coffee, and a company in Berlin is trying to reduce this waste. They designed a coffee cup made of coffee waste, this cup is reusable. 

Overall, efforts by environmentally conscious companies and people are slowly changing the world. Coffee waste is biodegradable but in landfills, it takes a very long time to decompose. This is why these companies are direly needed to reduce the accumulation of waste in landfills and find alternatives to fossil fuels with sustainable materials like coffee. 


Now, since you were wondering what is the best way to dispose of coffee grounds in the house? This article addresses that question, it also explains what ways coffee grounds can be used around the house to reduce waste. Lastly, it goes over how coffee waste is being used by innovative companies to make sustainable products for consumption. 

Frequently Asked Questions (FAQs): How to dispose of Coffee Grounds from a French Press

Can I throw coffee grounds down the sink? 

No, coffee grounds clump together and it will clog the pipes. 

Should I throw out coffee grounds?

Coffee grounds fall under the category of normal household waste, you can throw used or unused coffee grounds in the trash. However, before you do, know that this ground can come in very handy in a list of ways. The ground can be composted, it can be used as a body scrub, it can be used to eliminate bad odor from the fridge, it is a good insect repellent in the garden, it can help acidify the soil for the growth of certain garden plants among others. 

Can I dump coffee grounds in the garden? 

This is debated, coffee grounds are quite acidic so unless your plants like an acidic environment, do not add a coffee ground to the soil. However, even if you add coffee grounds to the soil, you must first check how much is necessary first, dumping recklessly will harm the plant and the soil.

Can I compost coffee grounds from the french press? 

Yes, their coffee ground is compostable and makes a good green matter for compost. However, some plants do have some plants that do not respond well to the caffeine in the coffee, so make sure your plants are okay with coffee before you compost it. 

Can I turn coffee grounds into mulch for my garden? 

Yes, you can turn coffee grounds into mulch for your garden. 

How do I throw out coffee grounds from the french press? 

After you make the coffee, add water into the flask and push the strainer down half way into the water. Turn the french press on its head while holding it on top of a kitchen sink. The water should start draining slowly. You can push the strainer down further to speed up this process.

Once most of the water is drained, you can open the strainer on top of the trash bin to throw out the coffee grounds into the bin. If this is too much work, you can use a spoon to scoop out the grounds from the french press and throw it out or save it for a task. 

Can I flush coffee grounds down the toilet? 

No. coffee grounds clump together. They will likely clog the toilet pipes. Moreover, if you have a septic tank, coffee grounds may be harmful forto it so don’t flush coffee grounds down the toilet. 

What can I do with coffee grounds? 

With used coffee grounds you can do several of several things around the house. You can use it as a skin scrub, you can compost it or turn it into mulch, you can use it to deodorize the fridge, or if you love oyster mushrooms you can grow those on ground coffee. 


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