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A detection system for a tub having a water recirculation system includes an electronic sensor and an indicator. The electronic sensor is configured to detect a condition indicative of water being present in a water recirculation system of a tub. The indicator is configured to provide a visual indic

A detection system for a tub having a water recirculation system includes an electronic sensor and an indicator. The electronic sensor is configured to detect a condition indicative of water being present in a water recirculation system of a tub. The indicator is configured to provide a visual indication according to the detected condition.

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1. A detection system for a tub having a water recirculation system, the detection system comprising: an electronic sensor configured to detect a condition indicative of water being present in a water recirculation system of a tub; andan indicator configured to provide a visual indication according

1. A detection system for a tub having a water recirculation system, the detection system comprising: an electronic sensor configured to detect a condition indicative of water being present in a water recirculation system of a tub; andan indicator configured to provide a visual indication according to the detected condition. 2. The detection system of claim 1, wherein the electronic sensor is configured to send a detection signal according to the detected condition, and wherein the detection system further comprises a controller configured to receive the detection signal and send an indication signal according to the detection signal; wherein the indicator is configured to receive the indication signal and provide the visual indication according to the detection signal. 3. The detection system of claim 1, wherein the electronic sensor is configured to detect whether water has reached a predetermined height within a basin of a tub. 4. The detection system of claim 3, wherein the electronic sensor is configured to couple to a wall of a basin of a tub. 5. The detection system of claim 1, wherein the electronic sensor is configured to detect whether water is present within an inlet tube of a water recirculation system. 6. The detection system of claim 5, wherein the electronic sensor is configured to couple to an inlet tube positioned between a water intake and a pump of a water recirculation system. 7. The detection system of claim 1, wherein the electronic sensor is one of a capacitive sensor, ultrasonic sensor, infrared sensor, resistive sensor, optical sensor, and temperature sensor. 8. The detection system of claim 1, wherein the indicator is a light, and the light is illuminated after detection of a condition indicative of water being present in a water recirculation system. 9. The detection system of claim 1, wherein the indicator is a screen, and the screen displays information a state of the condition indicative of water being present in a water recirculation system. 10. The detection system of claim 9, wherein the information displayed indicates whether a recirculation system requires cleaning. 11. The detection system of claim 1, further comprising: a second electronic sensor configured to detect a second condition indicative of water being present in a second water recirculation system of a second tub;wherein the indicator is configured to provide a second visual indication according to the second detected condition. 12. The detection system of claim 2, further comprising: a second electronic sensor configured to detect a second condition indicative of water being present in a second water recirculation system of a second tub and to send a second detection signal according to the detected condition;wherein the controller is configured to receive the second detection signal and to send a second indication signal according to the second detection signal; andwherein the indicator is configured to receive the second indication signal and provide a second visual indication according to the second detection signal. 13. A tub comprising: a basin configured to hold water;a water recirculation system configured to draw water from the basin and expel that water back into the basin; anda detection system comprising: an electronic sensor configured to detect a condition indicative of water being present in the recirculation system; andan indicator configured to provide a visual indication according to the detected condition. 14. The tub of claim 13, wherein the electronic sensor is configured to send a detection signal according to the detected condition, and wherein the detection system further comprises a controller configured to receive the detection signal and send an indication signal according to the detection signal; wherein the indicator is configured to receive the indication signal and provide the visual indication according to the detection signal. 15. The tub of claim 13, wherein the electronic sensor is coupled to a wall of the basin at a height corresponding to an intake of the water recirculation system. 16. The tub of claim 13, wherein the electronic sensor is coupled to an intake line of the water recirculation system. 17. The tub of claim 13, wherein the electronic sensor is configured to send a detection signal according to the detected condition to a controller that is configured to receive the detection signal and to receive a second detection signal from a second electronic sensor of a second tub. 18. A method for indicating a state of a water recirculation system of one or more tubs, the method comprising: detecting with an electronic sensor the presence of water in a water recirculation system of a tub; andproviding a visual indication that water has been detected in the water recirculation system by the electronic sensor. 19. The method of claim 18, further comprising: sending a detection signal from the electronic sensor to a controller; andsending an indication signal from the controller to a visual indicator;wherein the at least one visual indication is provided with a visual indicator according to the indication signal. 20. The method of claim 19, further comprising: sending a user control signal from a user interface to the controller;sending a second indicator signal from the controller to the visual indicator according to the user control signal; andchanging the visual indication according to the second indicator signal. 21. The method of claim 18, wherein the electronic sensor is one of a capacitive sensor, ultrasonic sensor, infrared sensor, resistive sensor, optical sensor, and temperature sensor. 22. The method of claim 18, wherein detecting the presence of water in the water recirculation system includes at least one of detecting water reaching a certain height within a basin of the tub or detecting water being present in an inlet line of the recirculation system. 23. The method of claim 18, wherein the at least one visual indication corresponds to a usage state or a cleaning state. 24. The method of claim 18, further comprising: detecting the presence of water in a second water recirculation system of a second tub with a second electronic sensor;providing at least one visual indication that water has been detected in the second water recirculation system by the second electronic sensor.