Method for preventing biofilm in spas

Details Method for preventing biofilm in spas Method for preventing biofilm in spas

1990-04-25

1991-07-16

Silverman, Stanley

Liquid purification or separation

Processes

Chemical treatment

210760, 210169, 210136, 4544, 128 66, C02F 150, C02F 178

Patent

active

050322923

ABSTRACT:
A method for preventing stagnation and biofilm formation in the jet pump circuit of a spa, therapy pool or bath employing separate pumps or plumbing circuits for circulation and for pressure jet/massaging functions. The method includes a bidirectional water conduit through which water flows in one direction when the circulation pump is on, and in the other direction when the jet pump is on. All plumbing in the jet pump circuit is thereby kept free of biofilm by causing water containing a dissolved disinfectant to flow through it while the circulation pump is on. The invention further includes methods for automatically flushing the massage jet air lines and the air bubbler chamber with disinfectant-containing water while the circulation pump is on. This method increases the reliability and safety of spa disinfection, reduces the quantity of disinfectant needed, and in some cases enables ozone to be used as the major or sole disinfectant.

REFERENCES:
patent: 3441015 (1969-04-01), Oatman et al.
patent: 4563781 (1986-01-01), James

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