Neptune Systems Double Junction pH Probe

The Neptune Systems Double Junction pH Probe delivers accurate, long-lasting pH monitoring for your reef aquarium when used with an Apex Controller.

This lab-grade probe features a double-junction design that provides superior durability and resistance to contamination compared to standard single-junction probes — making it ideal for saltwater use.

Perfect for maintaining stable water chemistry, the Neptune pH Probe connects directly to your Apex base unit or pH module, delivering real-time data through Apex Fusion.

Key Features:
• Double-junction lab-grade design for extended probe life
• Delivers stable, accurate pH readings in reef and freshwater systems
• Easy to calibrate using Apex Fusion or manual two-point calibration
• BNC connector compatible with all Apex models
• Safe for long-term submersion in saltwater

Specifications:
• Connection: Standard BNC connector
• Cable Length: 10 ft
• Compatible With: Apex, Apex EL, Apex Pro, and Apex Jr
• Calibration Solutions Required: 7.0 and 10.0 (sold separately)

💡 Keep your reef chemistry stable and your Apex running at peak precision with a lab-grade pH probe.

📦 Available for in-store pickup only at Blue Earth Aquariums, West Palm Beach.