Fungus Gnats on indoor plants

Hello! I truly am at a loss and hope you can solve my gnat problem. I received a spider plant as a house warming gift, this plant I think is a little older. Any way a week later I began to notice multiple little gnats, I am not a green thumbed gal so my first remedies were to put the plant outside and not water it for a while. The fungus gnats seemed to be gone and for the plants sake I brought it back in and watered it. For a couple days it seemed to been cured, then I started seeing a couple come up, so I continued trying to find other remedies like vinegar and dish soap. I’m not sure what to do and to make things worse now I see gnats flying around the house, and today I realized my red aglaonema became infected as well. it’s even located in another room, so please give me advice to try to save my poor plants. I already tried repotting them. I was going to try using sand on the top of the soil but I’m not sure what kind of sand and where to get it from. Any advice to fight these bugs would be super appreciated. Thank you

Posted by Hailey Luker on August 10, 2018