Here's a listing of beneficial organic approaches to eliminate fungus gnats and eliminate these bugs in houseplant soil: Most houseplant house owners don’t hassle with these time-consuming strategies. In many instances, it is best to discard the infested soil and substitute it with a new, fresh sterile potting blend. Image: https://beau4veir.blogrelation.com/37013345/details-fiction-and-how-to-exterminate-household-insects-bisha