A multi-chamber single dose pack includes a first water-soluble film, a second water-soluble film adhered to the first film, a first chamber and second chamber formed by the first film and the second film, a first detergent wash composition in the first chamber, a second detergent wash composition in the second chamber, a perforated tear line between the two chambers allowing separation of the two chambers by hand without opening either chamber, and a water-soluble adhesive disposed along an outward-facing portion of either or both of the first and second films. The water-soluble adhesive is configured to allow the attachment of at least one further chamber including a further wash composition.