Fungus gnats are interested in moist soil and planting media, which is why overwatering houseplants is perhaps the commonest reason for fungus gnat infestations. For added caution, it wouldn’t harm to appropriately get rid of and switch the top 2 inches of affected plants’ soil with sterile potting combine. I https://jaredcihdy.topbloghub.com/31511756/fungus-gnats-control-for-dummies