( This Post Contains Affiliate Links and We May Receive A Small Commission on Purchases)

Does Bleach Kill Fleas

Fleas are bugs. They are those tiny and wingless insects that make their way from the outside into your home. They move in perching on your clothes or sticking on your furry pets. Fleas are hard to kill and even more frustrating to get rid of permanently. Also, they feed on the blood of their host and make life miserable wherever they stay.

Getting rid of a flea is a tough job. They seem to have a never-ending life cycle because of how fast they replicate by laying eggs. Just when you think you’ve gotten rid of the last of it, Boom! A new cycle begins and the infestation continues. Thus, it is important to wipe out fleas not just at their adult phase but also while it’s an egg, larva or pupae.

Understanding Flea Infestation

A flea infestation can be quite devastating. It poses a health risk to both you and your pets. Aside from feeding on your blood, it can also cause tapeworm infestation if it finds its way into the GIT. And, this is a serious health challenge. Its recurrent bites also cause you and your pet to feel itchy. However, when you scratch excessively it can cause a break in the continuity of your skin. Fleas are also vectors of several diseases. This includes the Bubonic plague, Murine typhus, Tungiansis, Tularemia and other allergies.

Unlike what some think, just a good wash wouldn’t get fleas off your home or your pet. Fleas are quite resilient. Once they are in your home, the infestation has already begun. However, thankfully they can still be gotten rid of. Pesticides and some home remedies are effective against them. So, you wonder why is it difficult to kill a flea? Does bleach kill fleas? Let’s see.

Why Is It Difficult To Kill Flea?

It’s no hidden secret fleas are persistent. So persistent that it defies the regular cleaning agents and needs something as potent as bleach to get it off. In truth, a flea in its adult form is not hard to kill, you can just firmly squash it between your fingers. However, killing all at once as well as the eggs is the real issue.

So, just getting rid of the adult form doesn’t necessarily remove all the fleas. Because the eggs hatch and a new batch are formed. Also, fleas lay their eggs in warm secluded corners. Thus, escaping the attempts to clear them off.

Does Bleach Kill Flea?

Yes, bleach most certainly does kill the flea. When used appropriately, it kills fleas not just at its adult stage but even its eggs. However, you would have to ensure it gets to every nook and cranny the fleas are likely to lay eggs. This is to ensure the total eradication of fleas from your home.

Also, you should note that bleach can be harmful to both your younger kids and pets. Hence, when a segment of your home is sprayed with bleach, you should be kept off-limits for the time.

How To Identify Fleas

Though bleach is not a hundred percent fail-proof, it is highly effective. First things first, be certain what you are dealing with are fleas. This is because other bugs like ticks can cause your pets to scratch too. One way to be sure flea is the culprit, not seasonal allergies or other bugs is to check. Check your floors, pet, beddings and surroundings to see them. They are usually good jumpers, jumping a longer distance compared to other insects.

They also have a brownish-red color and are just the size of the tip of your pen. Also, check for flea dirt. They appear like grains of black pepper and bear in them remains of the flea blood meal. Fleas also find rest in dark moist corners. This is most likely under the rugs, where your pet sleeps and other secluded warm areas of the house.

How To Use Bleach To Kill Fleas

After you are certain it’s flea, these are steps to using bleach to eradicate them.

Step 1: Empty The Room.

Clear the room of pets, kids, plants or living things. Bleach fumes can be toxic. You shouldn’t allow your pets or kids to sit in the room while you spray. They also should be kept out for not less than three hours after spray. Also, ensure the windows and doors are open for cross ventilation after spraying. This will also help disperse the fumes faster. 

Step 2: Protect Yourself.

Bleach is potent and may irritate your eyes, hands and skin. Before you proceed you should protect yourself. Wear a long-sleeved shirt, a rubber or nylon apron, rubber gloves and rubber shoes. 

Step 3: Create A Bleach Solution.

Spraying bleach in its concentrated form may damage some properties, so you should dilute before use. To make the bleach solution, dilute one cup of sodium hypochlorite bleach with five gallons of water. You can make a larger amount by following the suggested dilution option. Also, ensure the solution is used up in 24 hours after which it most likely won’t be effective. And, check the bleach to be sure it has not expired. Expired bleach may not be effective.

Step 4: Vacuum The Floor.

Vacuum the entire room especially the floor, rug, where your bed sleeps and other corners. This helps suck up the flea dirt and tiny eggs by suctioning. It also helps the bleach spray to be more efficiently pierce in to kill flea and its eggs.

Step 5: Spray Bleach Solution.

Spray bleach solution in every corner of the house. Concentrating on warm, moist, hidden areas of the house. These places are common spots for the laying of flea eggs. The home bleach spray can be done at intervals over a month till your home is flea-free. 

Step 6: Wash Clothes And Beddings.

Gather your clothes, beddings and that of your pet and wash in hot water using detergents and bleach (where safe). Then sun-dry and iron where you can. Also, sun-dry other movable items like rugs where possible. 

Can Bleach Kill Flea Immediately?

When bleach comes in contact with fleas, it kills them almost immediately. This is because of the highly potent sodium hypocrite bleach is made of. When it mixes with water, it forms chlorine acid which is strong enough to kill the insect instantly. It pierces through the flea’s cell wall and has a fatal effect on it.

The bleach solution can denature easily, so you should use it as soon as possible after the constitution. You should also spray as close as possible to the bug or directly on them. The speed of its effect on the bug depends on the concentration of the solution. The higher its concentration, the higher its potency, the more destructive it is. Both on the flea and household items. 

How To Get Rid Of Flea From Your Lawn

1. Keep a low field. Prune your flowers, cut your grass, trim the overgrown yard. This is to reduce the thriving environment of the flea. Fleas love warm, damp areas and anything that sheds them from sunlight. Hence, keeping a low field limits how well they thrive in your yard. 

2. Spray insecticide containing pyrethrin. Pyrethrin is considered effective in killing fleas. And they are relatively safe for humans too.

3. You can spread diatomaceous earth around your lawn and outside your home. They help absorb moisture. This further reduces the breeding site for the flea.

4. You can also attempt using beneficial nematodes that kill fleas and leaving cedar wood around your house


Fleas are pests you don’t want inside your home or property. They are resilient and love the comfort of a home. You can get rid of them from your home using bleach. You can also get rid of them from your lawn using certain remedies. 

1 thought on “Does Bleach Kill Fleas”

Comments are closed.