How Much Diatomaceous Earth For Cats?

November 13, 2019

How Much Diatomaceous Earth For Cats?

Wondering how much diatomaceous Earth for cats to use? 

In this blog post, we will go through everything you need to know about this topic---and more. 

Diatomaceous earth is a plant-based powder that occurs naturally within the earth. The powder gets its unique name because it’s derived from “diatoms”, which are algae-like plants that have existed on earth for millions of years.

The earth is popular for all sorts of different purposes, including as an insecticide for gardening and removing bugs during house cleaning.

And, it has recently gained popularity among pet owners to solve flea-related problems in pets.

Let’s take a closer look at things. 

Why You Should Use Diatomaceous Earth For Cats

Let’s take a look at a few advantages of using diatomaceous Earth for your kitty, shall we? 

  • It is a natural pest-killer for cats
  • Kills pests using natural methods instead of a chemical-based toxic solution
  • Food-grade diatomaceous earth isn’t just safe for pets you can ingest it, too
  • It can eliminate hookworms, roundworms, whipworms, and pinworms  

You should feed this to you kitty for at least 30 days to see its effects. This will destroy adult worms while also targeting hatchling eggs and smaller worms throughout the lungs and stomach. 

How Much Diatomaceous Earth For Cats

Let’s jump in to the question of the hour, “How Much Diatomaceous Earth For Cats?” 

Your cat's size will affect the DE dosage size

Small Cats and Kittens (2-6 ½ lbs)

½ tsp of food grade DE

Full Grown Cats (7-13 lbs)

1 tsp of food grade DE

Large Cats (>13 lbs)

1 ½ tsp of food grade DE


Diatomaceous earth is growing more and more common among veterinarians and pet owners alike.

In Summary 

Diatomaceous earth is the fossilized remains of extremely tiny, aquatic organisms called diatoms. It is rich in silicon dioxide, and it can be mined from beneath lakes, and places water used to be, like some deserts.

The most common use of diatomaceous earth for cats is to combat fleas.

It’s effective against insects because, when finely ground, it can pierce a number of insect’s exoskeletons and dehydrate them from the outside in.

Confused about something? Leave us a comment, and we’ll get back to you as soon as we can. 


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