Keep track of your aquarium's pH levels 24/7 with the Smart pH Meter from Reef Factory. Simply download the app or access the website to remotely monitor your aquarium's pH levels and receive immediate notifications if they fall outside of the safe range. The app also provides historical data and is highly recommended for use when dosing Kalkwasser or using a CO2 scrubber. This compact device measures 2.48" L x 1.42" W x 0.59" H and has an accuracy of ±0.1 pH. It can easily connect to your home Wi-Fi and be operated on iOS, Android, or any web browser. The package includes the pH meter, pH probe, power supply, and resetting magnet. Take control of your aquarium's pH levels with the Smart pH Meter from Reef Factory.