Spray the solution onto the beneath your plants Put a fabric softener sheet on top of the soil to repel the gnats. If you have a number of indoor plants, you’ll need to treat them all at the same time, because the survivors will go from the treated pot to an untreated one and start their life cycle over again. Use 3% solution, which you can find in any drug store or in the hygiene/medicine aisle of a chain grocery store. I have read several articles in gardening and horticulture websites regarding the uase of peroxide to kill fungus gnats. I was dealing with this too but it is a super easy way to fix it. Is fungus knat control well using Hydrogen peroxide? I usually water my orchids every 10 days by soaking them for 10 minutes in a tub of water. Whether you’re a hobbyist or a long-time plant collector, when fungus gnats start attacking your plants, it’s annoying. Notify me of follow-up comments by email. Add the 3% or higher, hydrogen peroxide solution and the water to the spray bottle. It’s been suggested that by drenching the soil with a hydrogen peroxide mix will kill fungus gnat larvae. Preventive Measures I have 11 orchids and they are all infested with these annoying flies. They ar… How much peroxide should i use and is it safe for my plants to stay in this solution for 10 minutes?….I have changed the barks in all of my pots 3 weeks ago but the flies are back again. Note: You can increase the vinegar content in the solution if the problem persists. Finally my kitchen is free from little flying gnats! Going to use peroxide and sticky tape, for the entertainment factor of seeing dead flies. Hydrogen peroxide (H2O2) is one of the best natural methods for killing gnats that have taken up residence in your home. Or, did you use another remedy? How to get rid of soil fungus gnats the right way? We are going to describe another natural remedy to kill soil gnats, which is mainly in larval stage and eggs. I’m glad this method worked for you, even without diluting the solutions, and happy that you got rid of these nasty flies … the cafe I go to often, has gnats all over (inside), and even on cookies and pastries … so nasty and annoying … unfortunately it’s the only decent place around here . Note: The soil will start fizzing after application and this is normal. Eliminate fungus gnats that are attacking your plants. Were you able to drive the gnats away with hydrogen peroxide? You must add appropriate quantities into soil to kill insects with dilution by water or without water. The hydrogen peroxide solution kills fungus gnat larvae on contact. And fed up. Hydrogen peroxide is the simplest peroxide (a compound with an oxygen-oxygen bond) and finds use as a strong oxidizer, bleaching agent and disinfectant. 25% hydrogen peroxide to 75% water. I have lately switched using hydrogen peroxide (in 500ml bottles) and poured undiluted 200ml into the drain over the last 3 nites. Use a spray bottle if desired. Hopefully it works I can’t seem to get rid of these buggers any other way. I have taken. Hydrogen Peroxide: Mix a 1:4 ratio of hydrogen peroxide to water and thoroughly water your plants until the excess drains. Hydrogen peroxide is safe to use on your plants up to 30% strength. How to get rid of soil fungus gnats the right way? Would this method work for me? The soil will fizz for a few minutes after application; this is natural. Hydrogen peroxide is an excellent and inexpensive method for killing and adult fungus gnat infestations in the house and garden. Hydrogen peroxide, used as a mild antiseptic, can also be used for treating fungus gnat issue. To prepare the solution, mix one-part hydrogen peroxide to three-parts water i.e. Later, the solution breaks down into simple oxygen and water molecules. Your email address will not be published. Anyway – great success … please share this site on facebook or elsewhere. Here’s how to get rid of these pesky little buggers once and for all. Water oxygen has a strong effect on the skin openings .. New pipes and concrete under the tub solved the problem. Hi, can you explain why the soil needs to be dry before using the solution? You will notice the medium fizzing up, this is … Place yellow sticky traps near the infested plant. Once the soil is dry, mix 1 part hydrogen peroxide (H2O2) solution with 4 parts water. Any way I know what these people are experiencing. Use this solution to water plants. Monitor the gnat population for a few days with sticky cards, in order to make sure you’ve got them all. I add 1.5 cups of hydrogen peroxide and 3 cups of water into a bottle to water my effected plants. Concentrated hydrogen peroxide, or ‘high-test peroxide’, is a reactive oxygen species and has been used as a propellant in rocketry. So, let’s see how exactly you can use hydrogen peroxide to kill fungus gnats. But beware it can harm the roots if used to much. It may take some time to work but it will. I tried putting 1 inch of sand and 1 inch of gravel on top of the soil and the buggers still survived! You have drain flies! Thus, hydrogen peroxide is very good at stopping the growth of fungus gnats. I just attempted this. One of the ways to get rid of the fungus gnats in larvae stage is hydrogen peroxide. What would be the strongest h2o2 solution that you could use without harming the roots of a medical cannabis plant? Does peroxide work. I usually use 3 gallons of water. Water your plants as you normally would, using the hydrogen peroxide solution and taking care to get good coverage of the entire top layer of soil. Another natural methods including fungus gnat predators, traps, and bacillus, nevertheless when you can’t find bacillus thuringiensis or SM-90, you can start trying fungus nat treatment with hydrogen peroxide to kill gnat larvae and eggs in soil, just by use 1 part 3% pure hydrogen peroxide to 4 parts water - another type of brute force attack to kill larvae directly. They are notoriously difficult to get rid of and I never know how to advise gardeners on this one. Moreover, Hydrogen peroxide is a simple home remedy to kill nats larvae and destroy knats eggs in seconds, hydrogen peroxide has a powerful effervescence which is a results of chemical reaction with the soil components including gnats stages. They will eat my seedlings? F?!?! I have a large amount of indoor/outdoor(when it’s summer) plants and got major fungus gnat infestation this summer. Thus, hydrogen peroxide is very good at stopping the growth of fungus gnats. Required fields are marked *. 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