Easy to set up, these devices accurately control water variables with programmable hysteresis, automatic temp compensation and probe diagnostics. Incremental Dosing Control Software for fertilization injection is included. Unique alarm system - Normal, Caution, and Critical levels - activates different color status lights on face of unit and sends text messages and/or email alerts via Wi-Fi/interface portal service to user 24/7. Portal dashboard offers remote water management access through any internet connection - phone, tablet, or computer. Onboard and cloud data logging at programmed intervals, plus instant snapshot feature, provide data for documentation, analysis, and troubleshooting.