How To Get Rid Of Gnats In Plants With Dish Soap. The soil will start to oxidize a few minutes after application. Adult gnats get attracted to the smell of apple cider vinegar.
There’s multiple options when it comes to treatment, from dishwashing soap to. If the leaf is damaged, try a 1 percent solution of 2 tablespoons dish soap mixed with 1 quart of water. 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.
