Jim from Cumberland, Md writes
Monterey Liqui-Cop should be used within 24 hours of mixing, which would also apply to almost all products on the market that start out as concentrates and are mixed with water. The longer solution stays in the tank, the more it breaks down to no longer be effective, and can also eat away at the seals and gaskets of your sprayer to cause it to no longer work effectively.
Answer last updated on: 06/03/2021
