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Bluelab pH probe with BNC connector and 5m cable.
A hand holds a Bluelab pH probe in dark, bubbly water.
Bluelab pH probe with BNC connector and 5m cable.
A hand holds a Bluelab pH probe in dark, bubbly water.
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Bluelab pH Probe - 5m / 16ft Cable

Official Bluelab Dealer Model: PROBPH5M
$119.00 USD
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
Looking to finance equipment under your corporation? Learn more about Business Financing
  • 5-metre length ensures reach in large or complex room layouts
  • Double-junction design for consistent pH readings in liquid
  • BNC connector fits all standard Bluelab meters and controllers
  • 6-month limited warranty
  • View More Details

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VOLUME PRICING

Commercial & Bulk Purchasing

We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

Commercial Inquiry

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THROUGH THE Cultivator's LENS Hands-On Evaluation

  • You are extending your probe reach because your controller is mounted far from the reservoir and stock cables fall short
  • You are standardizing your monitoring setup because having consistent BNC-compatible sensors simplifies your inventory

  • The 5-metre length finally eliminates the need for messy extension cables that introduce signal noise
  • We suggest keeping the storage cap on whenever the probe is out of the solution to prevent the sensor from drying out

  • Users with large tank arrays say they finally stopped needing custom-built mounts to reach distant reservoirs
  • Growers who swapped to these longer leads report cleaner workspaces with fewer trip hazards around their foot traffic

Bluelab pH Probe - 5m / 16ft Cable

A standard 2-metre probe cable falls short when your meter sits far from the reservoir, forcing awkward routing or a shorter reach than your setup needs. The Bluelab pH Probe 5M solves this with the same dependable double-junction technology as the standard 2m pH probe, extended with a 5-metre (16ft) cable for hard-to-reach locations and cleaner cable routing.

A standard BNC connector makes it compatible with any Bluelab handheld meter, monitor, or pH controller that uses a BNC connection, while a durable polycarbonate body and fully waterproof construction hold up to daily use in solution. Device resolution of 0.1 or 0.01 pH, depending on your paired meter, keeps readings precise.

A cap filled with KCl storage solution keeps the probe hydrated between uses, and an included probe holder with suction cup gives you a stable mounting point in reservoirs and tanks — making this the right choice whenever your setup calls for extra reach.

Features

📏
5m / 16ft Extended Cable

Reaches hard-to-access locations with cleaner cable routing.

🔬
Double-Junction Design

Delivers consistent, reliable pH measurements in solution.

🔌
Standard BNC Connector

Compatible with any Bluelab meter, monitor, or controller using BNC.

🛡️
Durable Polycarbonate Body

Fully waterproof construction built for daily grow room use.

💧
KCl-Filled Storage Cap

Keeps the probe hydrated and ready between uses.

🪝
Probe Holder with Suction Cup

Included holder gives you a stable mounting point in any reservoir.

What's Included

  • Bluelab pH Probe 5M
  • Bluelab pH Probe Holder with Suction Cup
  • KCl-Filled Storage Cap

Specifications

Specification Value
pH Range 0.0–14.0
Device Resolution 0.1 and 0.01 pH
Cable Length 5m / 16ft
Operating Environment Nutrient solution, 0.2 EC and above; 32–140°F (0–60°C) — do not use or store outside this range

Support & Manuals

Warranty

The Bluelab pH Probe 5M is covered by a 6-month limited warranty.

Frequently Asked Questions

How is this different from the standard Bluelab pH Probe? +

It's built the same way, but with a 5-metre (16ft) cable instead of the standard 2-metre cable — ideal when your meter needs to reach a reservoir that's further away.

Which Bluelab devices is this probe compatible with? +

It works with any Bluelab handheld meter, monitor, or Pro Controller that uses a standard BNC connection.

Is this probe suitable for soil or substrate use? +

No, it's designed for solution measurement. For direct substrate testing, look at the dedicated Bluelab Soil pH Probe instead.

What's included with the probe? +

It comes with a probe holder with suction cup for stable mounting, plus a cap filled with KCl storage solution to keep the probe hydrated between uses.

Is the Bluelab pH Probe 5M waterproof? +

Yes. Its polycarbonate body is fully waterproof, built to handle daily reservoir and grow room use.

Happy To Help

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.)

Call (360) 800-5535

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