But there's one caveat to note about the apple cider vinegar tap: "This only works with adult drain flies," Kendrick cautions. 2. Pour a vinegar and baking soda mixture down the drain. Another ...

While drain fly larvae may not be visible inside the drain, adult drain flies may be seen congregating on the surrounding sink or walls. To get rid of drain flies for good, it’s often necessary ...

Drain flies, or sewer flies, can sometimes be confused with moths. This sludge-loving insect is small, with an adult's body being about 1/16 of an inch long. They are either gray or tan ...