5 Ways to Use Diatomaceous Earth Around the Home

Diatomaceous earth (often shortened to DE) is one of nature’s most underrated problem-solvers. Made from the fossilised remains of tiny aquatic organisms called diatoms, this fine, silica-rich powder has found its way into kitchens, gardens, pet care, and even cleaning routines across Australian homes.

If you’re looking for simple, non-toxic ways to freshen, deodorise or clean your space, food-grade diatomaceous earth offers a surprising number of practical applications.

What Is Diatomaceous Earth and Why Use It at Home?

Diatomaceous earth is a naturally occurring sedimentary substance made up of tiny fossilised algae. When ground into a fine powder, it becomes a highly absorbent, abrasive material that’s safe for most home environments when used properly.

There are two common types: food-grade and industrial-grade. Only food-grade diatomaceous earth should be used around the home, pets, or pantry.

It’s:

• Odourless and non-toxic
• Safe for pets and kids (when not inhaled)
• Free from synthetic chemicals
• Biodegradable and eco-friendly

From repelling pests to cleaning up greasy messes, here are five smart ways to use DE at home.

1. Natural Pest Control That’s Safe for Families

If ants, cockroaches or fleas are regular visitors to your home, diatomaceous earth can offer a chemical-free alternative to sprays and traps. It works by damaging the outer layer of insect exoskeletons, eventually drying them out.

How to use:

• Lightly sprinkle DE along baseboards, behind appliances, near bins, and in cracks where insects may hide.
• Leave for 24–48 hours before vacuuming up.
• Reapply after cleaning or if humidity increases.

Tip: Avoid applying near open windows or vents, as airflow may spread the powder.

For more pest-safe, low-tox solutions, explore our food-grade Diatomaceous Earth.

2. Eliminate Fridge & Pantry Odours Naturally

Diatomaceous earth is a powerful odour absorber. It can help keep enclosed spaces like refrigerators, rubbish bins or kitchen drawers smelling fresh—without synthetic fragrances.

How to use:

• Place a small open dish or jar of DE in the back of your fridge or under the sink.
• Replace with fresh powder every 2–3 weeks.

This same trick can be used inside shoes, gym bags, or anywhere that needs subtle, safe deodorising.

You may also enjoy our guide on Different Uses for Diatomaceous Earth for other household applications.

3. Freshen Carpets, Mattresses and Pet Beds

Because of its ultra-fine texture and absorbent properties, DE can help draw out moisture, odours, and even fleas from soft furnishings and bedding.

How to use:

• Lightly dust DE across carpets or pet bedding.
• Let it sit for 12–24 hours.
• Thoroughly vacuum up with a HEPA-filter vacuum.

Always ensure pets aren’t present while applying, and don’t allow them to inhale dust during treatment.

4. Add It to Your Compost or Garden Beds

In the garden, diatomaceous earth is often used as a natural soil enhancer and compost deodoriser.

How to use:

• Sprinkle a few tablespoons into compost bins to reduce smells and discourage flies.
• Mix into garden beds to help improve drainage and silica content in soil.

It’s especially helpful for veggie patches where chemical fertilisers are best avoided.

Pair it with Clinoptilolite Zeolite Powder for a multi-mineral garden boost.

5. Clean Up Grease and Spills with Ease

Forget harsh degreasers, diatomaceous earth acts as a gentle abrasive cleaner and grease absorber.

How to use:

• Sprinkle onto oil or grease spills (in the kitchen or garage).
• Let it sit for 10–15 minutes to absorb the liquid.
• Sweep or vacuum up and wipe the surface clean.

It’s a simple, low-waste way to handle mess without resorting to synthetic products.

Safety Tips When Using Diatomaceous Earth at Home

Although food-grade DE is generally safe, a few precautions go a long way:

• Avoid inhaling the fine dust – wear a mask if applying large amounts.
• Keep out of reach of young children and curious pets during use.
• Store in an airtight container to prevent clumping from moisture.

If you’re using DE for pest control, remember to clean surfaces after treatment – especially in food prep areas.

Ready to Try Diatomaceous Earth in Your Home?

Whether you’re cleaning, deodorising, or gardening, diatomaceous earth is a multi-use mineral powder that fits perfectly into natural, low-tox living.

Explore SafeSalt’s Diatomaceous Earth to get started with a food-grade, therapeutic-quality option suitable for home and garden use.For more tips on DE or support choosing the right natural solution, feel free to contact us.