| 摘要 |
The present invention relates to swimming pools, spas, and other pools of standing water, and in particular to a dispensing unit in the form of a capsule which is formed with a novel frangible seal which seal is puncturable by a blunt puncture device which allows for the improved time release of the chemicals within the capsule once the capsule is positioned in the skimmer of a pool, spa, or pool of standing water.
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