Hanna Marine Monitor – Continuous Monitoring of Salinity, pH, and Temperature (HI98319 & HI981520)

Achieve full visibility over your reef tank’s vital parameters with the Hanna Marine Monitor, combining salinity, pH, and temperature tracking into a compact, real-time display system. Designed specifically for saltwater aquariums, this advanced monitoring solution helps you maintain stability and quickly detect changes that could impact your livestock.

🔹 Why use continuous monitoring?
Fluctuations in pH, salinity, or temperature can lead to coral stress, disease, or livestock loss. With Hanna’s reliable monitoring system, you get accurate, around-the-clock readings—so you can act fast and maintain consistent conditions.

🔹 Key Features:

• Monitors salinity (ppt/PSU/SG), pH, and temperature (°C/°F) in real time

• Large, clear LCD screen with simultaneous readout of all parameters

• Includes high-precision graphite conductivity probe and gel-filled pH electrode

• Programmable high/low alarm limits for pH and salinity

• Automatic temperature compensation for all readings

• Easy calibration with on-screen guides

• Ideal for reef tanks, frag systems, and fish-only saltwater tanks

🔹 Specifications at a glance:

• pH range: 0.00 to 14.00

• Salinity range: 0.0 to 70.0 ppt (PSU & SG supported)

• Temperature: -5.0 to 105.0 °C (23.0 to 221.0 °F)

• Continuous 24/7 monitoring with AC power supply

🔹 What’s included:

• Hanna Marine Monitor (HI981520 or equivalent)

• pH electrode (replaceable)

• Salinity/conductivity probe

• Calibration solutions

• Mounting kit & power adapter

• Instruction manual

🔹 Perfect for:

• Coral keepers and reef aquarists wanting peace of mind

• Systems where stability is critical (e.g., SPS tanks)

• Advanced hobbyists and professionals

With Hanna’s trusted technology, your reef gets the precision and protection it deserves—day and night.