If you have a collection of houseplants, you've probably had to deal with fungus gnats at some point. If you're a new plant parent, you'll most likely face this problem sooner or later. Although a few gnats may not seem like a big deal at first, these pests multiply rapidly and can infest your growing space in no time. Fortunately, it's not too difficult to get rid of fungus gnats if you only have a few. Infestations can take longer to remedy but there are effective ways to get rid of these pests without spending a lot of money or having to call in a professional.