Ok how about this I work across the street from themhttp://www.lowes.com/pd_301385-1772-05931AQU_4294610249__?Ntt=pool+chemicals&UserSearc h=pool+chemicals&identifier=Pool-Chemicals%2FPool-Chlorine-Dispensers%2FGranular-Pool-Chlorine&productId=3031657&rpp=32&searchQueryType= 1

Also can I put the solar cover on to keep it clean?