Why Does Some Reed Diffusers Lose Scent in a Week? (How to Spot Low-Quality Solvents)

You place a new reed diffuser in your living room, expecting weeks of consistent fragrance. Instead, after just seven days, there is nothing—no scent, no throw, just silent reeds sitting in liquid that no longer performs. This frustrating experience is unfortunately common. But the problem is rarely the reeds themselves, and almost never the container. […]