Hydrogen peroxide is a quick and effective way to get rid of larvae, killing them on contact. Mix four parts water with one part hydrogen peroxide and soak your soil with the solution. Neem oil can also be diluted with water and applied to the soil to kill larvae.
Similarly, what can I put on top of soil to repel gnats?
Add a 1/4 inch of horticultural sand (do not use play sand) to the top of the soil in your containers to help discourage fungus gnats from laying eggs around the plants. You can also try placing the cut side of a potato on the soil surface to draw some of the larvae out of the soil.
Also question is, why does my potting soil have gnats?
Gnats generally appear in your houseplants and container gardens due to potting soil contamination and unclean gardening tools, which can hide gnat larvae and gnat eggs.
What is the fastest way to get rid of gnats?
6 Amazingly Quick Ways to Get Rid of Gnats in the House
- Keep the Kitchen Bin Tightly-Sealed. …
- Create Apple Cider or White Vinegar Traps. …
- Clean the Bathroom Drains. …
- Dehumidify the Bathroom. …
- Set Up Yellow Sticky Traps. …
- Apply Mosquito Bits to the Soil. …
- Keep the Kitchen Meticulously Clean. …
- Sanitize the Drains and Pipes.
How do you make homemade gnat spray?
Homemade gnat killer spray: A mixture of half a cup of water, half a cup of isopropyl alcohol, and a teaspoon of dish liquid can be filled in a spray bottle. This mixture can be sprayed on the gnats directly to kill them.
What home remedy kills gnats in houseplants?
One-Part Water to One-Part Apple Cider Vinegar
Fill a shallow saucer with this solution and mix in a few drops of liquid dishwashing soap. Keep it near your affected plants. The gnats will fall into the liquid and the soap will keep them from escaping. Add fresh vinegar and water as needed until the gnats are gone.
