pH Meter
Water Quality
A pH meter helps growers keep nutrient solution acidity in the safe uptake range so plants can absorb the elements they need.
Usage Instructions
- Calibrate with fresh buffer solutions before the first use of the week.
- Rinse the probe with clean water before and after each reading.
Troubleshooting
Readings drift slowly
Recalibrate the meter and replace old buffer solution.
Probe responds very slowly
Clean the probe tip and rehydrate it in storage solution.
Maintenance
- Store the probe in the recommended storage solution, not dry.
Make It Yourself
- Set up a simple calibration station with labeled cups for pH 4, 7, and rinse water.
Cost
- 25 - 220 NZD
Power Consumption
- 1 - 2 battery
Variants
- Pocket meter: Compact and fast for routine reservoir checks.
- Bench meter: Higher accuracy for frequent calibration and propagation rooms.
Images
- thumbnailUrl: https://images.unsplash.com/photo-1581092921461-eab62e97a780?auto=format&fit=crop&w=900&q=80
- pictureUrl: https://images.unsplash.com/photo-1581092921461-eab62e97a780?auto=format&fit=crop&w=1400&q=80