(CNN) -- The Mexican army has seized more than 15 tons of methamphetamine from a clandestine laboratory in a remote area of the state of Jalisco, west of the capital, the country's Secretary of National Defense said Thursday.
Also seized in the raid, which occurred Tuesday on the Villareal Ranch in the municipality of Tlajomulco de Zuniga, were materials that can be used in the production of the drugs -- including more than 2.5 tons of caustic soda, it said in a statement.
A Mexican military official told reporters that a tip from the public led to the raid on the ranch, which housed blue barrels filled with a gray powder.
The raid brings to seven the number of seizures that have occurred in the region this year, the statement said.
Methamphetamine is an addictive stimulant that can be swallowed, smoked, injected or inhaled, according to the National Institute on Drug Abuse.