Staring at your reservoir, wondering if the pH shifted overnight? Manually checking EC feels like a chore, and a sudden swing could cost you a crop. For small-scale operators, consistent data is the difference between thriving plants and costly losses. Automation is your key to moving from reactive panic to proactive control. Core Framework: The Three-Tier Alert System Effective automation isn't just about setting static limits. It’s about building intelligence that mirrors your operational awareness. Implement a three-tier system: Basic Thresholds , Operational Context , and Predictive Rate-of-Change . Basic Tier is your essential safety net. Set critical, unchanging boundaries for your crop. For example, for lettuce in a vegetative stage: IF pH < 5.3 THEN CRITICAL ALERT: "Solution too acidic." IF pH > 6.3 THEN CRITICAL ALERT: "Solution too alkaline." Operational Tier adds context by linking sensor data to system event logs. This turns a generic alert into a diagnostic tool.…