ResCare RK11K Easy Feeder Starter Kit, Non-Electric System, Extends Life of Water Water Softener Recommends the 1/2 ounces/day feeder for city water and the 1 ounces/day feeder for rural water applications Continuous feed dispenser designed for use with Pro Res Care When empty, simply replace the old bottle with a new one and insert the wicking cap Contains bottle, cleaning solution, feeder and bracket Extends the life of your water softener