diatomaceous earth for fleas on cats

Diatomaceous Earth For Fleas On Cats

Updated

How Does Diatomaceous Earth For Fleas On Cats Work?

​Diatomaceous Earth for fleas on cats ​​​is an effective method of flea control. If you care about making choices based upon a chemical free method of controlling fleas ​where you have control over the dose and the application, this is article outlines everything you need to know.

​Some background info...

​Diatomaceous earth is made up of diatoms which are the fossilized remains of a type of algae. DE just looks like powder as shown below.

In order to kill fleas, ​DE is sprinkled around the home and yard in places where the cat likes to hang out.​ ​It is the diatoms that scratch away at the waxy layer of the exoskeleton of the flea.  
The flea dies because moisture from the body of the flea evaporates and the flea dehydrates and dies

Diatomaceous earth

​It is going to take a little more effort on your part than​ putting a flea collar on your cat or applying flea drops. However this is a​ chemical free option ​ which can also be used to get rid of fleas from around your home. Read more here. Plus ​it works just as well ​for dogs.

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​​DE can have an abrasive feel, similar to pumice powder. ​Although it looks like powder ​it is actually a mineral dust.

mining DE

Where Do You Get Diatomaceous Earth?

​Purchasing diatomaceous earth online is convenient because the larger bags are pretty heavy and you can avoid the heavy lifting to and from the store by having it delivered.
Once you have the bag at home the product can be decanted into smaller more manageable containers. ​

DE purchased n large volumes for flea tretment

​Diatomaceous Earth - 100% Food Grade Products


​# 1. Diatomaceous Earth   Economi​​​​​cal​​ Choice

Diatomaceous Earth Reviews

All of the products reviewed here are 100% food grade. This is what you must use if you are using it for treating fleas on your cat. 

Diatomaceous earth that is not food grade is a very effective insecticide however as this article is specifically about cats, only 100% food grade products will be reviewed.

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​#1.Diatomaceous Earth Food Grade

Trusted Brand / Economical Choice

This product is listed by OMRI ​and has been reviewed against organic product standards. It has no additives or contaminants and is packaged using stainless steel machinery. It is made from 99.9% pure silica.


To use, sprinkle in infested areas inside the house and in the yard. Also think about the nooks and crannies where the cat likes to hang out. 


 The fleas needs to crawl over the powder for it to work effectively.  This is the reason ​sprinkling the powder on cat bedding, carpeted cat trees and so on is recommended.


While you are sprinkling the powder add a small amount to the kitty litter.  For every pound of litter add approximately 3/4 of a cup of DE and distribute reasonably evenly. It will help absorb moisture and odors.


It can be dusty when applying so as a precautionary measure use a mask if using large quantities of the product.  This applies to any diatomaceous earth product. Avoid using on windy days.


Although the bag looks like a plain paper bag in the image, it is actually thick and sturdy for repeated opening and closing.

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​2. Harris Diatomaceous Earth ​

Powder Duster Included

This is a 10lb bag. It has no additives and as a bonus includes the powder duster which is actually in the bag with the diatomaceous earth.

The duster may settle near the bottom of the bag. The duster is handy when applying diatomaceous earth directly to the cat and also for puffing the dust into small spaces.


Harris donates 10% of its profits to the Etowah Valley Humane Society, a non profit organization that saves thousands of animal lives each year.


This product is OMRI listed which means that it has been reviewed against organic standards. It is mined in Nevada and packaged in Georgia.

4.5 of 5 Stars
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​3.Food Grade ​​Diatomaceous Earth  6 lbs- ViOlivia

​​No Frills Packaging

​​The composition of this diatomaceous earth is ​89 - 95% amorphous silica. It contains less than one half of 1% of crystalline silica.


When applying sprinkle lightly but evenly. For convenience use an applicator when using so that the DE can be puffed into harder to reach places.


When spreading in the yard it is most efficient to roughly map out a grid in the area you are treating to ​make sure ​the coverage is even. ​An applicator scoop​ makes it easier ​to spread the product in the yard.

​4 of 5 Stars
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4.Nature's Wisdom Food Grade Diatomaceous Earth 3 lb. Jar

Practical Storage Container

​Nature’s Wisdom ​report that this product is sourced from a food grade deposit that has pure water. It is 100% diatomaceous earth and is food grade. The diatoms (that make up diatomaceous earth ) are harder from pure water supplies than ones found where the water supply is salt water.


Diatomaceous Earth treats many other types of troublesome bugs, plus bed bugs in addition to fleas. As mentioned earlier, this is like a fine powder so be sure to empty the filter of the vacuum cleaner regularly when using this product as the fine powder may clog the filter.


This​ DE is packaged in a plastic container as pictured.  As DE should be kept totally dry it gives the option to decant​. The product is also sold in plastic bags in differing quantities.

​​4 of 5 Stars


​An applicator like the Harris applicator below, is very useful for puffing the diatomaceous earth into small nooks and crannies that are hard to reach.

Our Recommendation is...

#1 Diatomaceous Earth Food Grade Powder

Trusted Brand / Economical Choice

​This is a quality product.  ​​It is mined, filtered and packaged in the USA.


Overall rating :  5 / 5

​Diatomaceous Earth - 100% Food Grade Products


​# 1. Diatomaceous Earth   Economi​​​​​cal​​ Choice

Diatomaceous Earth Spreader/Applicator

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​​Apply gentle pressure when squeezing and the product will puff out. The long nozzle means that you can get into all those tricky spots that are difficult to reach.


The powder will go where you want it to go ​with this product.


If it starts to clump just turn upside down and give a little shake.


​The amount of pressure you give when squeezing will affect the amount of powder ​puffing out. Experiment with different pressures to get it just right for your needs.


​An applicator scoop ​​is more practical ​for treating larger areas like the yard.

Should I Apply Diatomaceous Earth Directly On My Cat?

This video shows how to apply diatomaceous earth ​for fleas on cats.

Use a squeeze bottle as shown. This ensures small amounts are puffed out as needed. This means less wastage and you and the cat will not be covered in or inhaling dust.

Does Diatomaceous Earth Work For Killing Fleas?

It does work, bear in mind that you will need to be vigilant about treating areas around the home plus places like the scratching post and other places the cat likes to hang out.

Cats that spend time outdoors should be treated weekly and indoors cats, monthly.

How Is Diatomaceous Earth Used Around The House To Control Fleas?

In addition to using diatomaceous earth for fleas on cats you can also use diatomaceous earth in your home to get rid of fleas.

​Sprinkle the dust lightly in all the places your kitty likes to hang out and don’t forget all the nooks and crannies.

​When applying the dust to tight spaces, an applicator will ensure you don't sprinkle more dust than you need.

​Don't forget to dust the scratching post because as this is covered in carpet it will be a lovely home for fleas. Work the dust into the carpet with a brush. Vacuum the dust approximately 12-24 hours later and reapply as necessary.

​​Be mindful of the fact that diatomaceous earth can be hard on a domestic vacuum cleaner so be sure to check the filter and vacuum small areas at a time.

​​It is non toxic to humans (​food grade diatomaceous earth) however it is still a dust and it is advisable to take a normal amount of care to ensure that you are not breathing in volumes of ​dust.Wear a mask when spreading in the house and yard.

​Using diatomaceous earth for fleas on cats is ​an effective way to ​control fleas using a non chemical method of flea control for your cat. So far so good, no chemicals. You may choose to use diatomaceous earth in conjunction with other ​natural methods of flea control​​. Good idea!

​More Flea Reading...

​Mr Natural Kitty Cat

​More natural flea treatment choices with no chemicals.

​Cat Flea Drops  ​

​Easy to apply, effective and lasts for thirty days.  Watch the video showing how to apply the drops.

​Cat Flea ​Collar​

​​The active ingredients in this flea collar are released slowly and over time hence the 8 month time frame for repelling and killing fleas and ticks.

How is Diatomaceous earth used


About the Author Rebecca Parker

Hello! I am Rebecca Parker, the content editor of this site. My kitty cat contracted diabetes at age 14. This means twice daily injections and to his dismay, no snacking in between meals. This gorgeous and very loved kitty is sadly now deceased, old age caught up with him.

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