BLUELAB PH PROBE 2M/5M – Double-Junction Replacement Probe for Solution Monitoring
The Bluelab pH Probe is a durable, high-performance replacement probe designed for accurate pH measurement in nutrient solutions. Built with double-junction technology and a waterproof polycarbonate body, this probe is compatible with all Bluelab handheld meters, monitors, and controllers featuring a standard BNC connection. Ideal for growers who demand reliability and precision when testing solutions in hydroponic, aquaponic, or soil-based systems.
Key Features
- Double-junction reference for extended lifespan and stability
- Standard BNC connector for universal Bluelab compatibility
- 2-meter (6.6 ft) or 5-meter (16.4 ft) cable for flexible placement and reach
- Durable polycarbonate body – waterproof and impact-resistant
- Includes suction cup probe holder for secure mounting
- Comes with KCl-filled storage cap to maintain probe integrity
- Effective in solutions with EC ≥ 0.2
- 6-month warranty
Application Notes
- Use for measuring pH in nutrient solutions only (not suitable for substrate)
- Compatible with any meter, monitor or controller with a BNC connector
- Store with tip submerged in KCl solution to extend probe life
- Clean monthly to maintain accuracy and response speed
| Metric | Value |
|---|---|
| SKU | SG-S0659 |
| Brand | Bluelab |
| Product Name | pH Probe |
| Connector Type | BNC |
| Cable Length | 2 meters / 6.6 ft or 5 meters / 16.4 ft |
| Body Material | Polycarbonate |
| Waterproof | Yes |
| Included Accessories | Suction cup holder, KCl storage cap |
| Application | Solution-based pH measurement |
Application Guide
The Bluelab pH Probe is a durable, high-performance replacement probe designed for accurate pH measurement in nutrient solutions. Built with double-junction technology and a waterproof polycarbonate body, this probe is compatible with all Bluelab handheld meters, monitors, and controllers featuring a standard BNC connection. Ideal for growers who demand reliability and precision when testing solutions in hydroponic, aquaponic, or soil-based systems.
Use for measuring pH in nutrient solutions only (not suitable for substrate)
Available Sizes
- 2m (6.6 ft)
- 5m (16.4 ft)










