Abstract: An automatic system for monitoring chemistry information for a body of water comprises a sensor for determining chemistry information, a microprocessor for processing chemistry information, and a housing coupled to at least one of the sensor and the microprocessor. Preferably the housing is floatable or mountable. The method of providing chemistry information of a body of water comprising the steps of obtaining a sample of the body of water and determining chemistry information.

Abstract: An automatic system for monitoring chemistry information for a body of water comprises a sensor for determining chemistry information, a microprocessor for processing chemistry information, and a housing coupled to at least one of the sensor and the microprocessor. Preferably the housing is floatable or mountable. The method of providing chemistry information of a body of water comprising the steps of obtaining a sample of the body of water and determining chemistry information.

Abstract: An electronic system for use in a body of fluid is disclosed. The electronic system includes a first housing element and a second housing element. The second housing element is hermetically sealed to the first housing element, forming a first chamber there between. An electronic circuit is mounted within the first chamber. The electronic system further includes a second chamber internal to the second housing element. The second chamber is configured for holding a power source for the electronic circuit. Preferably, the power source is a battery pack. Also, the electronic system includes means for temporarily sealing the second chamber. Preferably, means for temporarily sealing the second chamber includes a detachable plug configured for coupling to the second housing element.