Rainbow

Brand · part of Pentair

Rainbow 300/320 automatic in-line chlorine/bromine feeders; a Pentair line.

Website	www.pentair.com ↗
Category	Chemical
Parent / owner	Pentair
Ownership	Subsidiary
Country	United States
Known for	Rainbow 300/320 automatic in-line chlorine/bromine feeders; a Pentair line.

Company Timeline

Date	Event
1998-07	Pentair acquired the operating assets of Rainbow Lifegard, Inc. (El Monte, California), a maker of pool, spa, and aquarium accessories.
1999-08-10	Pentair acquired Essef Corporation (~$310M), consolidating its pool/spa equipment business under which the Rainbow feeder line is marketed.

Sources

https://www.pentair.com/

Last updated 2026-06-24 · Next review 2026-07-24

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