Layered tablet water treatment compositions and method of use

Details Layered tablet water treatment compositions and method of use Layered tablet water treatment compositions and method of use

2007-12-18

2007-12-18

Lawrence, Frank M. (Department: 1724)

Liquid purification or separation

Processes

Chemical treatment

C252S175000

Reexamination Certificate

active

10906024

ABSTRACT:
The present invention relates generally to novel water treatment compositions. More particularly, the invention relates to solid water treatment compositions in the form of a water soluble tablet containing at least one halogen source and at least a pH compensating source in a layered tablet in which each of layer is configured to be simultaneously exposed to the water being treated and wherein one layer comprises the halogen source and another layer comprises a pH compensating source. Methods for controlling water biofouling and disinfecting water systems, particularly swimming pools and spas, are disclosed.

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