The one place you should never put coffee grounds is down the kitchen sink orgarbage disposal.

Soggy grounds are heavy and can clog a sink very quickly.

Check out these 10 hacks for using coffee grounds instead of tossing them.

Leftover coffee grounds in filter on countertop

The Spruce / Jason Donnelly

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Dampen your hands and rub well with the coffee grounds and then rinse.

Start with fresh, un-brewed grounds or completely dry used grounds.

Uses for leftover coffee grounds

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Find a container with a plastic lid and punch a few holes.

The lid will help prevent a mess if the container gets knocked over.

Add the grounds and place the container on a shelf in the fridge.

Using coffee grounds to eliminate onion odor from hands

The Spruce / Jason Donnelly

Replace every month for maximum freshness.

They also help prevent the growth of some molds.

when you obtain a nice, loamy pile of compost, add some earthworms for even quicker decomposition.

A coffee can with holes poked in the lid

The Spruce / Jason Donnelly

They love the acidic quality of “coffee soil.”

Some rabbits and cats even shy away from coffee grounds.

Or, you’re free to make"coffee fertilizer" for watering.

Adding used coffee grounds to a kitchen compost pile

The Spruce / Jason Donnelly

Steep two cups of grounds in a five-gallon bucket of water for six to 12 hours.

Use this liquid fertilizer to water and feed your plants.

This mixture works best for acid-loving plants like African violets, ferns, and hydrangeas.

adding coffee grounds to a plant

The Spruce / Sarah Crowley

Let the mixture sit for about an hour so the tannins in the grounds will leach into the oil.

Tip

Use fresh coffee grounds to achieve the darkest color.

The same component, tannin, thatcauses stainscan also be used to create shades from ecru to dark brown.

Adding coffee grounds to houseplant soil

The Spruce / Jason Donnelly

Most fabric dyed with coffee grounds is done by brewing the coffee to use as the dye bath.

The darker the roasted beans, the darker the dye.

Heat in boiling water, strain, and use the liquid for the dye bath.

Using coffee grounds to hide scratches on wood

The Spruce / Jason Donnelly

Another dyeing technique is to massage the coffee grounds into the fabric.

Damp grounds will produce more color than very wet grounds.

Make a paste and smear it on the fabric.

Using coffee grounds to dye fabric for crafts

The Spruce / Jason Donnelly

Allow the fabric to dry thoroughly with the grounds in place.

Brush off the excess grounds when the fabric is completely dry.

Just add coffee grounds to your favorite play clay recipes.

Clay made from coffee grounds

The Spruce / Jason Donnelly

If the color isn’t as dark as you’d like, add one tablespoon of instant coffee.

Knead well and always store in a tightly covered container.

Store the scrub in an air-tight jar.

Using coffee grounds to make sachets

The Spruce / Jason Donnelly

Is Caffeine Good for the Skin?Cleveland Clinic.

Using coffee grounds to make a skin scrub

The Spruce / Jason Donnelly