Little Shop of Coral
Red Sea ReefSense - pH & Temperature
Red Sea ReefSense - pH & Temperature
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The Red Sea ReefSense Digital pH & Temperature Probe is a fundamental, dual-purpose sensor designed to monitor the two most crucial and interrelated parameters for the health and stability of any marine reef aquarium: pH (acidity/alkalinity) and Temperature.
Technical Features
- Digital Data Transmission: Unlike traditional analog probes, this unit features a digital converter built right into the probe head. This technology ensures the signal sent back to the controller is purely digital, making the readings highly resistant to electrical noise (EMI) from pumps, lights, and other sump equipment that can corrupt analog signals.
- Combined 2-in-1 Sensor: Measures and transmits both pH and temperature data through a single physical port on the controller.
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High Precision Measurements:
- pH Accuracy: 0.1 pH unit.
- Temperature Accuracy: 0.1 F
- Integrated Temperature Sensor: The dedicated temperature sensor ensures the highest accuracy for the pH reading through continuous Automatic Temperature Compensation (ATC).
- Smart Calibration Memory: Calibration data is stored directly on the probe's internal memory. This allows for simple plug-and-play use if the probe needs to be moved to a different port or even a different Red Sea controller, eliminating the need for frequent recalibration.
Ecosystem Integration and Automation
The probe is a core part of the Red Sea ReefControl system and is managed entirely through the ReefBeat mobile app, enabling powerful features:
- 24/7 Monitoring & Logging: Provides continuous, real-time data feeds, detailed history logs, and trend analysis for both pH and temperature, allowing you to easily spot daily trends (e.g., pH dip at night).
- Instant Critical Alerts: Sends immediate notifications to your mobile device if the pH or temperature levels breach your custom-defined safe ranges, allowing for rapid intervention to protect your livestock.
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Automation Triggers: The readings from this probe can be used to control various devices:
- CO2 Scrubber Automation: Use the pH reading to automatically control the power to an air pump connected to a CO2 scrubber (via a ReefControl Power unit) to maintain stable pH levels.
- Temperature Control: Automatically activate cooling fans, chillers, or heaters (via a ReefControl Power or the DC ports on the Pro/Lite) to keep the temperature within the optimal range.
- Remote Calibration: Allows for quick, simple calibration via Bluetooth near a sink or water mixing station.

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LIGHT
LOW: Place coral at the bottom of the tank. Depending on the type, coral may need to be placed off sand and therefore mounted on a ceramic disc of piece of rock.
MEDIUM: Place coral at mid-range of the tank. Best placed/glued on top of a rock scape at mid-range height.
HIGH: Place coral from mid range to just below water level. SPS coral are shallow growing so they require and are able to tolerate intense light.
FLOW
LOW: Most soft coral do well with a small, gentle pulse. There are certain corals that can even be placed in areas of indirect flow, meaning places aside a rock structure or set into a entrance to a cave style space.
MEDIUM: Many LPS types of coral prefer medium pulse current. Most Euphyllia or corals that have more tissue structure connected to their skeleton, don’t like to be in a high flow area like the direct flow of the wave pump.
HIGH: Similar to high light, SPS enjoy being in some heavy current. Most LPS and SPS that branch encrust or plate prefer high flow that simulates the top water waves.
SKILL
ENTRY: While some may say beginner level, "Entry" is a good term to be used when starting out in the world of corals and marine life. Prior to adding livestock, you want to ensure that your reef has the proper parameters including zero levels of ammonia and nitrite. Seeing traces of nitrate in your waters is a good sign - just keep them at a lower level of 2ppm to 10ppm. Maintaining correct temperature and salinity are a huge factor to stable parameters. Starting to monitor your PH, alkalinity, calcium and magnesium is a great habit to get into to keep a successful reef.
While some soft coral don’t require too much light, having a proper reef light that puts out the proper pars is very important. You'll also want to have a good amount of flow and protected rock areas, as placing corals in their happy spot is ideal for success.
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