The disclosure provides: a two-way communication means between a sweat sensing device and a user at least one means of activating, deactivating, controlling the sampling rate, and controlling the electrical power applied to a particular sweat sensor or group of sensors a means of isolating a sweat sensor from sweat until needed a means of selectively stimulating sweat for a particular sweat sensor or group of sensors to manage sweat flow or generation rate a means of monitoring the power consumption of a sensor device, individual sensors or groups of sensors a means of monitoring an individual sweat sensor or group of sensors for optimal performance a means of monitoring whether a sweat sensing patch is in adequate proximity to a wearers skin to allow device operation and the ability to use aggregated sweat sensor data correlated with external information to enhance the devices management capabilities.
