| abstract |
A feeder device for introducing a chemical into a flow of water includes a feeder inlet and a feeder outlet, a reservoir of the chemical in solid form and having a foraminate lower portion, a first conduit having an outlet and in communication with the feeder inlet in at least a first feeder condition, a wall surronding the conduit outlet and extending upward thereof, and an outlet chamber receiving overflow containing the dissolved chemical and in communication with the feeder outlet. |