HydroNotes

HydroNotes is a simple logbook for tracking pH and EC values in your hydroponic reservoirs. Open the app, enter your readings, done. No account required. No cloud sync. Just straightforward measurement tracking that stays on your device QUICK LOGGING - Enter pH and EC values in seconds - Add optional notes for context - Measurements are timestamped automatically - Backdate entries if needed SEE YOUR TRENDS - View pH and EC together on a single graph - Tap data points to see details - Choose your time range: 7 days to all time - Set target ranges to see how you're doing MULTIPLE RESERVOIRS - Track as many reservoirs as you need - Switch between them quickly - Set reminders so you don't forget to measure PHOTOS - Take or import photos of your plants - Compare photos to see your growth EXPORT & BACKUP - Export to CSV for spreadsheets - Backup and restore your data PREFERENCES - Choose your EC unit: µS/cm, or mS/cm - Light, dark, or system theme HydroNotes is for hobby growers and home setups who want a no-fuss way to keep track of their reservoir readings over time.