Provided is a device (500) for storage and reconstitution of one or more discrete doses of a substance in a pressurised carrier liquid, comprising a first body (100) comprising: at least one discrete storage reservoir (110) configured for storage of the dose of substance, wherein the reservoir is in fluid connection with an inlet channel (112) and an outlet channel (114), wherein the inlet channel (112) is disposed with an inlet pressure-activated valve (140), configured to open responsive to a force of the pressurised carrier liquid, whereby the inlet channel (112) is connected at an inlet end to a common inlet conduit (130), and whereby the outlet channel (114) is connected at an outlet end to a common outlet conduit (132) configured for mixing the substance in the carrier liquid.
