Does bleach kill on contact?

Does Bleach Kill Grass & Weeds?

Best Answer

Well, yes and no.

"Bleach is the cheapest and most common disinfectant," says Scott Curriden of The Scripps Research Institute's Environmental Health and Safety Department.

"It has been around for centuries and can be remarkably effective at killing bacteria and viruses.

Hydrogen peroxide vs bleach vs alcohol on Mold SEE WHAT HAPPENS TO MILDEW!!!

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Related Questions

Does dawn kill fleas on contact?

Yes, dawn dish soap does kill fleas and they will die within minutes, making it a very time effective way to deal with these pests.

Does vinegar kill fleas on contact?

Some claim that vinegar kills fleas, and although I found vinegar to be quite effective, it didn't "kill on contact" as one might think. You can make a homemade flea spray using vinegar easily. Alternatively, if the spray bottle scares him, you can soak a washcloth with the mixture and rub it on.

Does wasp spray kill on contact?

Raid® Wasp & Hornet Killer allows you to spray up to 22 feet, killing the entire nest. It kills wasps and hornets on contact and is electrically non-conducting up to 32,500 volts.

Does Bleach Kill Mold? 🤔 Don't Make This Simple Mistake! (2018)

Does bleach kill scabies on mattress?

Scabies is a mite (tiny insect) that burrows into the skin and lay eggs. Some people believe that bleach can kill scabies but it is not advised by Doctors. There is no proven evidence that a bleach can really help to get rid of scabies. It is not a good idea to use bleach to treat scabies.

Does bleach kill ringworm on surfaces?

The steam is not hot enough to kill ringworm spores but should help clean the dirt and remove the contaminated particles. After the triple cleaning with soap and water, a 1:10 solution of bleach should be used on surfaces that are bleachable. The floors are then cleaned twice weekly with a wood soap.

What kills ticks on contact on dogs?

The best tick spray is Hartz UltraGuard Plus Flea & Tick Home Spray, which kills ticks on contact - as well as fleas, roaches, silverfish, ants and other creepy crawlies. It won't do anything for pre-adult ticks but it's effective for killing off adult ticks.

Does bleach kill mange?

Bleach. Though it may kill the mites, bleach is a harsh chemical and should always be diluted and treated with great care. It can also damage a person's skin, eyes, and lungs.

Does bleach kill fleas?

And that can lead to a new infestation in your pet, requiring treatment. Ending the flea cycle means not just killing fleas in your environment, but also their eggs. Bleach can help you get the job done efficiently. Bleach can kill flea eggs on your floors and other surfaces.

Does Bleach Kill Bed Bugs Instantly?

Does bleach kill viruses?

Bleach is a strong and effective disinfectant – its active ingredient sodium hypochlorite is effective in killing bacteria, fungi and viruses, including influenza virus – but it is easily inactivated by organic material.

Does bleach kill hookworms?

Sunlight kills hookworm larvae, so encourage animals to use a sunny location. Salt brine, borax or diluted bleach will kill hookworm larvae on gravel or concrete, but these chemicals will kill grass and plants.

Does bleach kill parvo?

The best and most effective disinfectant against viruses (including parvoviruses) is BLEACH. At least 10 minutes of contact time with the bleach solution is needed to kill the virus. Steam cleaning is also able to kill the virus.

Does bleach kill roundworms?

The live or dead worms are found in the stool. Because of their large size, they are easily seen. However, none of these treatments will kill the immature forms of the worm or the migrating larvae. The eggs are highly resistant to common disinfectants and even to harsh environmental conditions.

Does bleach kill parasites?

Cryptosporidium is resistant to chlorine disinfection so it is tougher to kill than most disease-causing germs. The usual disinfectants, including most commonly used bleach solutions, have little effect on the parasite.

THE SECRET LIFE OF BLEACH

Does bleach kill ringworm?

The only reliable killer of the ringworm spores is a 1:10 dilution of bleach in water. Use this with care because it is a harsh mix and will stain. Sunlight will kill ringworm too.

Does bleach kill poop?

“Non-envelope” viruses that have a protein shell around their genetic material are hardier. Those require an oxidant such as chlorine bleach to kill, Kennedy said. But again, washing away dirt, feces, mucous and other organic matter is an essential first step. “Get out that fecal material with lots of virus in it.

Does bleach kill scabies?

10. Bleach. Though it may kill the mites, bleach is a harsh chemical and should always be diluted and treated with great care.

Does bleach kill tapeworms?

Vacuum your carpets thoroughly to get rid of those tapeworm segments and steam them to kill any remaining eggs. Wipe down solid surfaces with a mixture of 1 tablespoon of bleach mixed with 1 gallon of water to kill the eggs and get rid of any bacteria from the tapeworm segments.

Does bleach kill pet odor?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your pets, too. Ammonia.

Does bleach kill distemper virus?

Another syndrome associated with the feline distemper virus occurs when a susceptible pregnant cat or a newborn kitten is exposed. Routine household disinfectants will not kill the virus, and a 1 to 30 dilution of bleach should be used to clean any appropriate surfaces. There is no medication to kill the virus.

Does bleach kill dog urine?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your. Ammonia.

Does bleach kill mouse droppings?

Take some water, pour some bleach in it. You can then use that water and bleach in a spray bottle or pour it on the mouse droppings some way where you're getting the bleach on there, getting that area wet. The reason this works is because you've got the bleach on there that's killing the virus.

Will bleach kill ringworm on dogs?

Diluted bleach (a ratio of 1-to-10 with water) will kill most of the spores and should be used on any surface where it is safe.

Does bleach kill dust mites?

A small amount of bleach added to the washing machine will also help destroy the dust mite allergen on bedding, but it will also take the color out of the fabric. (Consider buying all white linens.) Since bleach can irritate the airways, have someone without asthma or allergies do the laundry. Dust mites hate dry air.

Does bleach kill urine smell?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your pets, too. Ammonia.

Does bleach kill roundworm eggs?

The live or dead worms are found in the stool. Therefore, removal of the dog's stool is the most effective means of preventing reinfection. A one percent solution of household bleach can be used to remove the sticky outer coating of the eggs, making it easier to rinse them away. This will not kill the eggs, however.

Does bleach kill poison ivy?

How to Kill Poison Ivy With Bleach. A solution of bleach, salt and hydrogen peroxide is a fairly effective poison ivy killer as it dries out the plant's oils. The solution is also very effective at treating irritations on the skin caused by contact with the plant.

What contact kills fleas?

Dish Soap Additive. Rubbing alcohol will kill adult fleas, but eggs will not be effecting. Adding a small amount of dish soap to the mixture will kill the eggs on contact. You should add a small amount of dish soap to your mixture if you find eggs or flea larvae.

Does bleach kill dog urine smell?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your pets, too. Ammonia.

Does bleach kill parvo in dogs?

Chlorine bleach is the only household disinfectant known to kill parvo. Any other outdoor items that may be contaminated should also be cleaned with bleach. Soak your dog's dishes and toys in bleach water for 10 minutes.

Does bleach kill dog pee smell?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your pets, too. Ammonia.

Does bleach and salt kill weeds?

Several home remedies, including bleach, work well to kill grass and other weeds. Pour undiluted bleach over the grass. For most soil conditions, only about 1 cup of bleach is necessary to kill grass over a 6-by-6 inch square area. For soil with lots of clay, use about 2 cups of bleach.

Will bleach kill coccidia?

There is NOTHING that kills coccidia in the ground. Not even bleach. The only thing that can keep it under control is Ammonia. It is possible to lose a pup or two from coccidea or giardia, however litters are lost from parvo, distemper, or corona virus.

Will bleach kill cat urine smell on concrete?

The seller were thinking of using bleach to clean the concrete floors after removing the urine-stained carpeting. Bleach will not kill the odor of dog pee or cat urine. It simply disinfects.

Will bleach kill mites?

Scabies is a mite (tiny insect) that burrows into the skin and lay eggs. Some people believe that bleach can kill scabies but it is not advised by Doctors. There is no proven evidence that a bleach can really help to get rid of scabies. It is not a good idea to use bleach to treat scabies.

Can bleach kill mites?

Bleach and strong soaps do not kill dust mites. A simple washing will remove most, in the waste water. Temperatures of over 60 degrees Celsius (140 degrees Fahrenheit) for a period of one hour are usually fatal to dust mites; freezing may also be fatal.

Will bleach kill roundworms?

The live or dead worms are found in the stool. Therefore, removal of the dog's stool is the most effective means of preventing reinfection. A one percent solution of household bleach can be used to remove the sticky outer coating of the eggs, making it easier to rinse them away. This will not kill the eggs, however.

Will bleach kill hookworms?

Sunlight kills hookworm larvae, so encourage animals to use a sunny location. Salt brine, borax or diluted bleach will kill hookworm larvae on gravel or concrete, but these chemicals will kill grass and plants.

Will bleach kill ringworm?

The only reliable killer of the ringworm spores is a 1:10 dilution of bleach in water. Use this with care because it is a harsh mix and will stain. Sunlight will kill ringworm too.

Can bleach kill ticks?

If you are experiencing high incidences of ticks and have noticed ticks on your patio, bleach will kill and get rid of them until you can get the rest of your lawn, woods or other infected areas under control.

Will bleach kill coccidiosis?

There is NOTHING that kills coccidia in the ground. Not even bleach. The only thing that can keep it under control is Ammonia. It is possible to lose a pup or two from coccidea or giardia, however litters are lost from parvo, distemper, or corona virus.

Will bleach kill vines?

The bleach will effectively kill the vines, while the detergent helps the bleach stick to the vines. Cover plants surrounding the vines with drop cloths. Hold the spray bottle 3 to 4 inches away from the vines and spray thoroughly with the bleach and detergent mixture.

Can you put bleach on your skin to kill ringworm?

But while bleach is effective at keeping your kitchen counter germ free, it might irritate your child's skin. The same holds for garlic, which is touted as an effective ringworm remedy by some. In fact, garlic can cause chemical burns to the skin, and lead to scarring.

Can bleach kill ringworm?

The only reliable killer of the ringworm spores is a 1:10 dilution of bleach in water. Use this with care because it is a harsh mix and will stain. Sunlight will kill ringworm too.

Will bleach kill trees?

To kill a tree stump with bleach, expose the live stump by cutting it with a chainsaw below where live branches are coming out. You may want to drill holes around the outer layer but most tree killers will work without doing this. Paint bleach onto the stump or fill the holes. Let it sit and see if it works.

Will bleach kill weeds?

Grass sometimes has a funny way of growing where you don't want it and refusing to grow where you do. Several home remedies, including bleach, work well to kill grass and other weeds. Because bleach raises the pH level of the soil extremely high, it kills most vegetation and prevents it from growing in the near future.

Will bleach kill rat mites?

The treatment will kill all the mites on the rats but will not kill mites or unhatched mite eggs in the rat's environment. Get rid of anything wooden. Such items are almost impossible to disinfect, and the mites can hide in the wood. Clean everything else with a bleach solution.

Can bleach kill roundworm eggs?

The live or dead worms are found in the stool. Therefore, removal of the dog's stool is the most effective means of preventing reinfection. A one percent solution of household bleach can be used to remove the sticky outer coating of the eggs, making it easier to rinse them away. This will not kill the eggs, however.

Will bleach kill roundworm eggs?

Is there any way I can kill these worm eggs? A: Unfortunately some worm eggs are pretty resistant to environmental changes and can persist for long periods in the soil. In some cases dilute chlorine bleach may be effective but this is most effective in concrete covered areas and much less so in soil.

Can bleach kill foot fungus?

The fungus is more difficult to get rid of than ringworm because it attacks the nail bed and is actually protected by the toenail. Bleach can kill the fungus but requires applying the bleach for several minutes, over several days. There are two ways to apply the bleach -- as a soak and in a paste form.

Can bleaching hair kill lice?

Hair dye and bleach haven't been scientifically proven to kill lice. However, anecdotal evidence indicates that they may be effective. They're not, however, able to kill lice eggs, known as nits.

Will bleaching hair kill lice?

In a nutshell, the answer to this question is, yes, bleach will kill adult head lice. In fact, hydrogen peroxide, a form of bleach that's used in certain hair dyes is known to kill adult lice. However, becoming platinum blonde will not necessarily get rid of your lice problem.

Will bleach kill urine smell?

The seller were thinking of using bleach to clean the concrete floors after removing the urine-stained carpeting. Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your pets, too.

Will bleach kill mange mites?

Since sarcoptes mites can survive briefly in the environment, all of an infected pet's bedding, brushes, collars, etc. should be disinfected as well. A solution of warm water and bleach can be used to scrub hard surfaces. Once managed, the prognosis for sarcoptic mange is excellent.

Will bleach baths kill scabies?

A bath with a small amount of bleach added to the water may help lessen symptoms of chronic eczema (atopic dermatitis). Eczema is an itchy skin condition, often worsened by a bacterial infection. An eczema bleach bath can kill bacteria on the skin, reducing itching, redness and scaling.

Will bleach kill weeds permanently?

Bleach will kill most small weeds. It won't work against larger or invasive weeds like Ivy, Brambles or Knotweed. If you use it on soiled areas you will no longer be able to use that space for growing​, it can take several months before your soil is suitable for planting.

Will bleach kill slime mold?

Cleaning with bleach does kill mold and mildew that may be on the deck, but it does not eliminate the spores from which mold and mildew grow. Not only does chlorine bleach break down wood fibers and alter the color, it also corrodes metal fasteners, including the screws and nails holding your deck together.

Does bleach kill the smell of dog urine?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your pets, too. Ammonia.

Will a bleach bath kill scabies?

A bath with a small amount of bleach added to the water may help lessen symptoms of chronic eczema (atopic dermatitis). Eczema is an itchy skin condition, often worsened by a bacterial infection. An eczema bleach bath can kill bacteria on the skin, reducing itching, redness and scaling.

Will bleach kill pet urine smell?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your pets, too. Ammonia.

Can pee and bleach kill you?

A friend strongly advised him not to mix bleach with urine because urine has ammonia in it. And the gas is toxic and will kill you.

Can bleach fumes kill a dog?

Exposure to bleach through ingestion, breathing or touching, is extremely dangerous for dogs. Symptoms range from mild irritations to internal corrosion, depending on how diluted the bleach is and the size of your dog.

Will bleach kill roundworms and eggs?

Heat is one of the only ways to kill these eggs, which are resistant to most pesticides. Vacuum your carpets daily, too, to remove the eggs of fleas, which are the pests that transmit tapeworms to your pooch. The bleach will remove the sticky surface of intestinal parasite eggs, allowing you to clean them away.

Will bleach kill dog urine smell?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your pets, too. Ammonia.

Does contact paper attract roaches?

The dark crevices of coffeemakers, toasters, and microwaves attract roaches, so unplug these appliances and vacuum them regularly. And don't line cabinets with contact paper: Roaches will eat the glue and use the area between the paper and the shelf to breed.

What does eye contact symbolize?

In human beings, eye contact is a form of nonverbal communication and is thought to have a large influence on social behavior. Coined in the early to mid-1960s, the term came from the West to often define the act as a meaningful and important sign of confidence, respect, and social communication.

Why does eye contact give me anxiety?

In this severe form of an eye contact problem, people believe they are causing others to be uncomfortable and anxious because they cannot establish direct eye contact. This goes well beyond typical "eye contact problems" that many people with social anxiety have.

Does bleach clean concrete?

Concrete floors are commonly used in basements, patios and garages. Since these areas are prone to dirt, residue, mold or mildew, you should clean them with bleach. For tough stains or dirt, scrub the concrete with a scrub brush. Allow the bleach solution to sit for five minutes.

Is bleach OK to use on concrete?

When applied to concrete, bleach does not harm the sturdy material. It also disinfects concrete. When using bleach, work in a well-ventilated area because the fumes from bleach can be overwhelming. Depending on your cleaning project, you might combine the bleach with detergent, dilute it with water or use it straight.

Does bleach glow?

As an oxidizing agent, bleach can disrupt and break certain chemical bonds. These chemical bonds in the quinine are the ones that absorb the ultraviolet light. This means that by adding bleach to the tonic water, the quinine becomes unable to absorb ultraviolet light any more, and so it can no longer emit blue light.

Does bleach react with urine?

What chemical reaction is there when you mix pee and bleach? When ammonia and bleach are mixed together, the bleach breaks down into hydrochloric acid. The hydrochloric acid then reacts with the ammonia to produce chloramine vapours.

What does strong eye contact mean?

Anytime you allow someone to look into your eyes you're allowing them to see how you feel at that moment. Eye contact is an incredibly strong indicator of confidence. When someone feels insecure they will have a hard time maintaining eye contact. Their eyes will likely dart around the room as a means of “hiding”.

Why does my dog like eye contact?

Science has recently discovered another reason for eye contact with dogs: bonding. With your pet, eye contact increases a brain chemical called oxytocin, the very same chemical present in parent-child bonding.

Can I use bleach on carpet?

First of all, use bleach only if necessary and only if it's the last option left. Do not use bleach on wool carpet, and since bleach makes the carpet lighter, it should never be used on any carpet rich in color as the color may fade away. In fact, it is best to use only for white or dirty white carpets.

Can you use bleach on hardwood floors?

Wood is porous, and generally, we only recommend bleaching exterior finished wood surfaces, not interior hardwood floors. Here's how you properly dilute it for disinfecting floors that are safe for bleach: Mix up a solution of ¾ cup bleach added to 1 gallon of water.

What does poor eye contact mean?

Eye contact is one of those Goldilocks things: Too much, and people find you intense; too little, and people think you're shifty. Psychopathy, PTSD, and alexithymia (sometimes known as “emotional blindness”) are often associated with greater discomfort with eye contact.

Why does my dog avoid eye contact?

Instead, you will more frequently see one dog turn his head away from another dog in order to avoid eye contact; this is an appeasement gesture designed to diffuse any potential conflict and avoid a fight. One study found that dogs are able to track human eye movement, which helps them perceive a person's intent.

What does making eye contact mean?

An unintentional absence of eye contact signals a lack of knowledge you exist. It means nothing other than they haven't noticed you. Either they're busy and focusing on something else, or you're about as intriguing to look at as grandma's new wallpaper.

Does bleach remove blood stains?

Removing blood stains from surfaces. Give the stained area a quick pre-wash and rinse. Wipe the area with a solution of 2 teaspoons of Clorox® Regular-Bleach2 per 1 gallon of water for at least 2 minutes. Kiss the boo boo better and let the surface air-dry.

Is bleach the only thing that kills C diff?

Cleaning with bleach is the No. 1 means of attacking C. diff spores, say experts. “There are probably only four to five EPA-registered bleach-based disinfectants with a C. diff claim. These have passed laboratory testing showing they can kill millions of C. diff spores on a surface,” says Tanner.

Does bleach keep mice away?

Using Bleach as a Repellent. Because the smell of bleach is so undesirable to rodents, it makes a great repellent. Considering mice carry disease, it's helpful to have bleach around to get rid of any microbes you'd find in mice droppings, urine, and blood.

Does bleach keep rats away?

Bleach may deter rats, but it will not kill them unless you are able to get them to drink the bleach. Instead, you may want to consider one of the following methods to eliminate rats. Live Traps – A live trap is a cage contraption that traps the rat inside the cage once it enters.

Does bleach neutralize dog urine?

Although chlorine bleach has antibacterial and antifungal properties, making it a multipurpose cleaner for many types of pet stains, avoid using it to clean dog urine. The urine contains ammonia that reacts with the bleach to form a toxic gas.

Does bleach stop dogs from peeing?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your pets, too. Ammonia.

Does bleach remove dog urine smell?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your. Ammonia.

Does bleach get rid of dog urine?

The seller were thinking of using bleach to clean the concrete floors after removing the urine-stained carpeting. Bleach will not kill the odor of dog pee or cat urine. Bleach is harmful to breathe, and it's toxic for your pets, too. Ammonia.

Can dogs cause contact dermatitis?

Contact dermatitis may be caused by an allergy, or it may simply mean that your pet has touched something that has irritated its skin, such as the sap in poison ivy, or salt on a road. Both dogs and cats can suffer from allergic contact dermatitis and irritant contact dermatitis.

Does bleach clean up dog urine?

Bleach will not kill the odor of dog pee or cat urine. It simply disinfects. Bleach is harmful to breathe, and it's toxic for your pets, too. Ammonia.

What does it mean if eye contact makes you uncomfortable?

Eye contact anxiety may also be caused by shyness or lack of confidence in people without diagnosable mental health issues. Direct eye contact with another person causes specific responses in the brain, some of which can be impeded or problematic depending on the individual's personality.

What does eye contact mean to a guy?

A guy who is making a seductive eye contact will stare at you, hold the eye contact, and then smile. He will keep on staring and smiling. These signals mean he wants you sexually. The intentions of the seductive eye are usually very clear and only a blindfolded person would fail to configure the sign.

Does hydrogen peroxide bleach skin permanently?

Some users tout it as an effective acne treatment and a skin lightener. It's sometimes used as a disinfectant, but it can cause severe side effects when used on your skin. Hydrogen peroxide is used to disinfect tools, bleach hair, and to clean surfaces.

Does bleach encourage dogs to pee?

Although chlorine bleach has antibacterial and antifungal properties, making it a multipurpose cleaner for many types of pet stains, avoid using it to clean dog urine. The urine contains ammonia that reacts with the bleach to form a toxic gas.

Does salt kill fleas on dogs?

Vacuuming and steam cleaning carpets and rugs will help, but there are natural treatments that can be even more effective. One of these treatments is safe and uses a common everyday substance – salt. Yes, you can get rid of fleas with salt! The salt acts as a dehydration agent and dries out the bodies of the fleas.

Does garlic kill fleas on dogs?

A. There's no evidence that garlic (or brewer's yeast, for that matter) will control fleas on pets — although a lot of people seem to think it will. If you're determined to control fleas "naturally," your best bet is to wash your pet's bedding and vacuum pet areas frequently to remove eggs and developing fleas.

Does Revolution kill scabies on dogs?

There are a number of treatments used to kill the mites. Selamectin (Revolution): Two monthly treatments are required for the treatment of sarcoptic mange in dogs.

Does Listerine kill fleas on dogs?

When your dog gets fleas, you may hesitate to use a harsh pesticide treatment on him. For a more natural solution to your problem, try a mixture of Listerine mouthwash and water. The Listerine gets rid of fleas on the dog, and can also be used to kill fleas on the household spaces where they may have spread.

Does white vinegar kill mites on dogs?

Regular white distilled vinegar is best for household use, while apple cider vinegar is sometimes used as a dietary aid. While vinegar won't kill pests such as dust mites and other pests, it will deter them by making them steer clear of the areas that have been sprayed with vinegar.

Does garlic powder kill fleas on dogs?

Using garlic is a natural, inexpensive and safe way to get rid of the fleas biting your dog. Alternatively, dust your pet's coat with small amounts of garlic powder or you rub garlic salt into your pet's coat to rid your pet of fleas.

Does Revolution kill lice on dogs?

Many insecticides kill lice. Most flea shampoos contain pyrethrins or organophosphates and do a good job of getting rid of louse infestations. Selamectin (Revolution), while not labeled specifically for lice, may also be effective.

Does dog shampoo kill lice on humans?

Most flea shampoos contain pyrethrins or organophosphates and do a good job of getting rid of louse infestations. Topical insecticides like imidacloprid (Advantage) applied topically every 2 weeks will also kill lice. Selamectin (Revolution), while not labeled specifically for lice, may also be effective.

Does hydrogen peroxide kill mold on carpet?

Another benefit cited was that vinegar and hydrogen peroxide kill mold on porous surfaces. A: Both distilled white vinegar and hydrogen peroxide will do an effective job of killing mold spores in porous materials. Let the H2O2 do its work for 10 to 15 minutes, and scrub the walls to remove all dead mold.