Tablets and granules for treating water

摘要: Tablet and granules for treatment of pool water comprise at least one water-soluble sanitizer lanthanide compound (other than phosphate) compacted or otherwise formed into a physically coherent body. A matrix, carrier binder adapted to dissolve and/or disintegrate over time in may also be used. The are dispersed within the tablet granule so that, upon dissolution disintegration granule, will released. method involves placing flow filter as dissolves, is dissolved carried where it retained particulate solid that effective removing phosphate from circulating whence can removed by backwashing.