Patent ID: 7419590

Claim:
A contained liquid volume system comprising: a pool wall for retaining a contained liquid volume, said wall having a liquid conduit for directing a liquid stream therethrough with a transition region located at a termination of said liquid conduit in said wall; a dispenser housing, said dispenser housing having a set of openings on a first side of said housing and a further set of openings on a second side of said housing, said dispenser housing mounted in the conduit on the wall; a dispensing device located in the transition region with said dispensing device secured to said liquid conduit so as to maintain the dispensing device directly in the liquid stream with said dispensing device comprising a dispensing container having a liquid dispensable material contained therein for dispensing the liquid dispensable material at a first rate when the there is no liquid flow through the liquid conduit and at a second rate in response to liquid flowing through the liquid conduit, said dispensing material comprising an ion generation material; a diverter cover rotatably mounted on said dispenser housing to control the amount of liquid flowing through the dispensing device.