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Bluelab Combo Meter Plus: digital screen showing 2.5 EC, pH/cal, nutrient, temp buttons, and probes.
Bluelab Combo Meter with pH 5.8 reading, held over a hydroponic system.
Hand inserts Bluelab soil moisture meter next to a sapling.
Bluelab Combo Meter Plus: digital screen showing 2.5 EC, pH/cal, nutrient, temp buttons, and probes.
Bluelab Combo Meter with pH 5.8 reading, held over a hydroponic system.
Hand inserts Bluelab soil moisture meter next to a sapling.
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Bluelab Combo Meter with Soil pH Probe

Official Bluelab Dealer Model: METCOMPLUS
$399.00 USD$349.00 USD$399.00 USD
 $399.00 USD
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Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
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Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
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Finance up to:$4,000
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Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
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  • pH range of 0.0 to 14.0 with a resolution of 0.1 pH units
  • Includes a dedicated soil pH probe for direct insertion into growing medium
  • Automatic temperature compensation operates across a 32 to 122 degrees Fahrenheit range
  • 5-year 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.

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THROUGH THE Cultivator's LENS Hands-On Evaluation

  • You are adding direct soil measurement because checking nutrient solution tells you nothing about the chemistry at the root
  • You are switching to this meter because you are tired of damaging fragile glass probes in dense substrate

  • The included dibber is a simple tool but it saves the probe tip from getting crushed during insertion
  • We tell people to keep the pH probe tip moist in storage solution, as drying it out ruins the reading accuracy

  • Growers who stopped guessing their soil pH report more consistent nutrient uptake across their entire cycle
  • Users who previously burned through standard glass probes say they saved money by switching to this durable design

Bluelab Combo Meter with Soil pH Probe 

Standard pH probes are built for solution, not soil — pressing one into substrate risks damage and gives you a slow, unreliable reading. The Bluelab Combo Meter with Soil pH Probe solves this by pairing the portable Bluelab Combo Meter with a dedicated Leap pH Probe designed specifically for direct insertion into any growing medium.

A Dibber (Auger) makes inserting the Soil pH Probe fast and damage-free, and the probe stays safely stored and ready to measure the moment you need it. The included Conductivity Probe is calibration-free, so EC readings are accurate from the first use, and Automatic Temperature Compensation keeps every reading correct regardless of substrate or solution temperature.

A 2-metre cable reaches into hard-to-access containers and beds, and a bright backlit display keeps results easy to read wherever you're working. Conductivity scales are fully customizable — EC, CF, PPM 500 (TDS), or PPM 700 — with temperature displayed in °C or °F, so the meter adapts to however your operation already tracks nutrients.

Features

🌱
Soil pH Probe with Dibber

Safely stored and ready to measure any substrate straight away.

✅
Calibration-Free Conductivity Probe

Accurate EC readings from the first use, with no setup step.

📏
2-Metre Reach Cable

Take readings in hard-to-reach containers and beds.

🌡️
Automatic Temperature Compensation

Keeps readings accurate across changing substrate and solution temperatures.

🔢
Customizable Scales

Switch between EC, CF, PPM 500, or PPM 700, and °C or °F.

💡
Backlit Display

Simple, easy-to-clean design captures every measurement with ease.

What's Included

Specifications

Specification Value
pH Range 0.0–14.0
pH Resolution 0.1
pH Accuracy (at 25°C / 77°F) ±0.1
Temperature Range 32–122°F (0–50°C)
Temperature Resolution 1°C / 1°F
Temperature Accuracy ±1°C / ±2°F
Conductivity (EC) Range 0.0–9.9 mS/cm
Conductivity (EC) Resolution 0.1
Conductivity (EC) Accuracy ±0.1
CF Range 0.0–99
CF Resolution 1
CF Accuracy ±1.0
TDS (ppm 500) Range 0–4,950
TDS (ppm 500) Resolution 10
TDS (ppm 500) Accuracy ±50
ppm 700 Range 0–6,930
ppm 700 Resolution 10
ppm 700 Accuracy ±70
Operating Environment Nutrient solution, 32–122°F (0–50°C) — do not use or store outside this range
Power 2x AAA alkaline battery

Warranty

The Bluelab Combo Meter with Soil pH Probe is covered by a 5-year limited warranty.

Frequently Asked Questions

How does the Soil pH Probe work with the included Dibber? +

The Dibber (Auger) creates a clean opening in your substrate, letting you insert the Soil pH Probe quickly and without damaging the probe tip.

Does the conductivity probe need calibration? +

No. The included Conductivity Probe is calibration-free and gives accurate EC readings right away.

How long is the probe cable? +

The cable measures 2 metres, giving you enough reach to test hard-to-access containers and beds without moving the meter itself.

Can I change which units the meter displays? +

Yes. Conductivity can be shown in EC, CF, PPM 500 (TDS), or PPM 700, and temperature in °C or °F.

What's the difference between this and the standard Bluelab Combo Meter? +

This version pairs the Combo Meter with a dedicated Soil pH Probe and Dibber for direct substrate testing, rather than the solution-focused pH probe included with the standard Bluelab Combo Meter. For growers requiring moisture data as well, the Bluelab Pulse Meter is a recommended alternative.

Does the meter adjust automatically for temperature? +

Yes. Automatic Temperature Compensation keeps readings accurate as substrate or solution temperature changes.

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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.)

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