Abstract: A salt block product and method of making and using same of a type suitable for use in forming a brine for regenerating and rejuvenating water conditioning ion exchange beds comprising integral block of salt having a stake hole extending inwardly of one surface thereof within which a mass of a water soluble rejuvenating agent is disposed at a position spaced inwardly of the surface of the block. The rejuvenating agent can comprise one or an admixture of additive agents which are adapted to dissolve in the water during the dissolution of the salt block forming a brine containing the additive agent uniformly distributed therethrough. In accordance with a preferred embodiment, a suitable closure is positioned in the stake hole outwardly of the additive agent to prevent deterioration thereof during shipment and storage which alternatively can be physically removed or is adapted to dissolve releasing the additive agent during the brine generating process.