BLUELAB PH PROBE INLINE – High-Pressure Inline pH Sensor for Nutrient Feed Lines
The Bluelab Inline pH Probe is a rugged, high-performance sensor designed to measure pH directly within your nutrient feed line. Engineered for continuous monitoring under pressure, this probe helps growers maintain optimal nutrient uptake by ensuring pH levels remain within the ideal range. With a flat measurement surface, it delivers fast, accurate readings in demanding grow environments.
Key Features
- Double-junction design minimizes contamination and extends probe life
- 3/4″ NPT thread for inline mounting (compatible with 1″ adapter)
- Fully waterproof construction – rated for 7 bar / 100 psi pressure
- Flat pH measurement surface
- Adapted internal structure allows mounting in any orientation
- 2-meter (6.56 ft) cable for flexible installation
- Fast sensor design for real-time accuracy
- Effective in solutions with EC ≥ 0.2
- 1-year warranty
Application Notes
- Use with Bluelab Guardian Monitor Inline Wi-Fi
- Ideal for hydroponic and fertigation setups with pressurized nutrient lines
- Clean periodically and calibrate with Bluelab solutions to maintain accuracy
- Install using appropriate thread adapters and ensure secure sealing
| Metric | Value |
|---|---|
| SKU | SG-S0656 |
| Brand | Bluelab |
| Product Name | pH Probe Inline |
| Mounting Thread | ¾” NPT (fits 1″ adapter) |
| Pressure Rating | 7 bar / 100 psi |
| Cable Length | 2 meters / 6.56 feet |
| Waterproof | Yes – fully submersible |
| Minimum EC | 0.2 EC |
| Application | Inline pH monitoring in nutrient feed lines |
Application Guide
The Bluelab Inline pH Probe is a rugged, high-performance sensor designed to measure pH directly within your nutrient feed line. Engineered for continuous monitoring under pressure, this probe helps growers maintain optimal nutrient uptake by ensuring pH levels remain within the ideal range. With a flat measurement surface, it delivers fast, accurate readings in demanding grow environments.
Use with Bluelab Guardian Monitor Inline Wi-Fi








