The Bluelab pH Controller Connect gives gardeners clever monitoring, dosing and data logging of solution pH levels. By wirelessly data logging to a computer, continuous information is always available. Use the data to make system changes faster. The pH Controller Connect also allows for changes to settings from a personal computer and has local and Cloud data logging capability (download free Bluelab Connect Software). With the pH Controller Connect, automatically monitor and control pH within reservoirs up to 200 gallons (760 liters). The flashing high/low alarm with control lockouts, including dosing lockouts to protect from over-dosing, and auto resume dosing on restart after power loss ensures fine-tuned pH levels. The plant-safe green back lit LCD with adjustable brightness features a large, easy-to-read display, with easy-to-navigate menus. The water-resistant and wall-mountable controller also includes a 13-foot acid-/alkali-resistant dosing tube. For best results use with undiluted Bluelab pH Up or Down. The pH Controller Connect is compatible with Bluelab Connect Stick and Bluelab Connect Range Extender.