Method to prevent algae growth in pools and spas

Details Method to prevent algae growth in pools and spas Method to prevent algae growth in pools and spas

1989-08-24

1993-10-19

Hollrah, Glennon H.

Plant protecting and regulating compositions

Plant growth regulating compositions

Plural active ingredients

504124, A01N 5908, A01N 5926

Patent

active

052545261

ABSTRACT:
The invention discloses an anti-microbial composition, and method for its use for the long term inhibition of the growth of algae in swimming pools, spas, and similar bodies of water. The method includes the addition of bromide ions to the body of water in amounts sufficient to provide a concentration of bromine of approximately 0.1 to 100 ppm. A polyphosphate is premixed with the source of bromide ions in a ratio of from 5 to 15 weight parts polyphosphate to each 100 weight parts of said source of bromide ions. A chlorine containing oxidizer is added to the water in a amount sufficient to oxidize the bromide ions to bromine and provide a concentration of chlorine containing oxidizer of approximately 0.2 to 10 ppm to safely sterilize the water.

REFERENCES:
patent: 2662855 (1950-09-01), Kamlet
patent: 3201311 (1965-08-01), Antonides et al.
patent: 3316173 (1967-04-01), Mills et al.
patent: 3975271 (1976-08-01), Saunier et al.
patent: 4846979 (1989-07-01), Hamilton

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