Spa chemistry monitoring and chemical dispensing unit

摘要: A self-contained and free floating spa chemistry monitoring dispensing unit is provided for automated checking adjusting of water in a tub or the like to maintain clean substantially sanitary state. The includes compact bouyant housing having an on-board controller coupled plurality sensor electrodes contact with water. programmable cause take readings at predetermined time intervals order determine, example, pH oxidation reduction potential means operated by dispense chemicals amount responsive readings. metering assemblies mounted within necks bottles, wherein each bottle contains respective chemical affecting chemistry. upwardly open sockets removably supporting bottles inverted position. include cooperative receiving unique one bottles.