Chemical application apparatus for sprinkler systems

摘要: A liquid chemical dispenser for an irrigation system comprises a removable supply container the which, in first embodiment, valve preventing spillage of during attachment to dispenser. This feature allows be mounted inverted position on without loss its contents. In second membrane which is pierced by dip tube when attached section produces annular vent passage around provide vacuum relief. The configuration containers substantially reduces chance inadvertent contact with contents and simple design permits disposable.