- 1 × Inline pH Nutrient Sensor (PPH-3)
TrolMaster PPH-3 Inline pH Sensor
- 3.6-metre cable length provides flexibility for most standard irrigation system layouts.
- Fits directly into standard 3/4-inch PVC tee fittings without the need for custom hardware.
- BNC terminal provides direct connection to AMP-2 and AMP-3 sensor boards for consistent signal paths.
- 3-year warranty, covering mechanical and electronic components
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Commercial & Bulk Purchasing
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Who This Is For
- You are adding inline sensing because your current reservoir checks do not capture the actual pH levels hitting your plants.
- You are integrating this into your TrolMaster system because you need to stop guessing if your nutrient solution is stable.
What We Found
- The improved sensing element on this model significantly cuts down on the drift we saw with older probes.
- We recommend sticking to the proper storage solution, as letting the tip dry out kills the accuracy almost instantly.
What Users Say
- Operators who switched to inline monitoring say they stopped seeing nutrient lockout after catching pH shifts early.
- Growers report that the threaded body makes installation into their existing PVC setup much cleaner than drop-in probes.
TrolMaster PPH-3 Inline pH Sensor
pH drift is a silent killer in hydroponic systems, causing nutrient lockout and stunted growth before you even notice. The TrolMaster PPH-3 provides the ultimate solution by monitoring pH levels directly within your irrigation lines, ensuring your plants receive the precise nutrient balance they need for explosive growth. By catching fluctuations where they matter most—in the line, not just the reservoir—you can maintain a stable environment that maximizes plant health and yield potential.
Engineered for durability and precision, this heavy-duty inline probe eliminates the guesswork of reservoir-only testing. With its improved sensor element and seamless integration into TrolMaster ecosystems, the PPH-3 is the professional choice for growers who demand stability and accuracy in their environmental control strategy. Its threaded body fits directly into standard plumbing, making it an essential upgrade for any serious commercial or hobbyist irrigation setup.
Compatibility: TrolMaster Aqua-X (NFS-1 via AMP-2, NFS-2/NFS-3 via AMP-3), Green-X (GCS-1 via AMP-3), and Tent-X (TCS-1 via AMP-3)
⚠️ pH probes must be stored with the protective storage cap in place and filled with the correct probe storage solution at all times. Allowing the probe tip to dry out completely will permanently damage the sensor element and void warranty coverage. Never store the PPH-3 dry or submerged in plain water.
What's Included
Features
Standard ¾" PVC Tee Compatible
Reduced-diameter sleeve and threaded body install directly into standard ¾" PVC tee fittings—no custom adapters needed.
Improved Sensor Element
Upgraded sensing element delivers more stable, consistent pH readings with significantly reduced drift vs. previous models.
BNC Direct Connection
Connects directly to AMP-2 and AMP-3 sensor boards via BNC terminal for a clean, secure, and reliable signal path.
3.6m Cable Reach
The generous 3.6-meter cable provides ample length for flexible positioning within your irrigation system without extensions.
Inline & Drop-In Use
Versatile design supports both ¾" PVC tee inline installation and standard reservoir drop-in nutrient monitoring.
TrolMaster PPH-3 Specifications
| Specification | Value |
|---|---|
| Measurement Parameter | pH |
| Cable Length | 3.6 meters (~12 ft) |
| Connector Type | BNC |
| Installation Type | Inline (¾" PVC tee) or Drop-in reservoir |
| Compatible Sensor Boards | AMP-2, AMP-3 |
| Compatible Controllers | Aqua-X NFS-1 (via AMP-2), Aqua-X NFS-2/NFS-3 (via AMP-3), GCS-1 (via AMP-3), TCS-1 (via AMP-3) |
| Working Environment | Temperature 32–122°F (0–50°C), Humidity <90% |
Support & Manuals
Warranty
TrolMaster backs the PPH-3 with a 3-year warranty from the original purchase date, covering mechanical and electronic components under normal operation. Please note: pH probes must be stored with the protective cap and storage solution at all times. Probes that dry out completely are permanently damaged and are explicitly excluded from warranty coverage.
FAQs
The PPH-3 measures the pH level of your nutrient solution, either inline within an active irrigation pipe or submerged in a reservoir. It passes data to your TrolMaster controller via an AMP sensor board.
No, the PPH-3 is the probe only. It requires a compatible AMP-2 or AMP-3 sensor board (sold separately) to connect to your master controller.
The PPH-3 is designed to fit directly into standard ¾" PVC tee fittings, which are common in most hydroponic and greenhouse irrigation systems.
It is compatible with Aqua-X, Green-X, and Tent-X systems, provided you have the appropriate AMP-2 or AMP-3 sensor board to facilitate the connection.
Always keep the protective storage cap on and filled with pH probe storage solution. Never let the sensor tip dry out, as this will destroy the probe and void the warranty.
The PPH-3 measures pH levels, while the TrolMaster PCT-3 Environmental Control measures EC (Electrical Conductivity) and temperature. They are designed to work together on the same sensor board for full nutrient monitoring.
Questions About This Product?
Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)
Why Trimleaf
Equipping home growers, craft producers, and commercial operations across North America since 2016.