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AquaMaster H600 handheld pH meter with probes, displaying 7.0 pH and 25.0°C.
AquaMaster H600 Pro handheld meter with pH, EC, TDS, and temperature probes.
AquaMaster H600 Pro handheld meter displays pH 7.0 and temperature 25.0°C.
Black Aquamaster Tools case with logo.
AquaMaster H600 handheld pH meter with probes, displaying 7.0 pH and 25.0°C.
AquaMaster H600 Pro handheld meter with pH, EC, TDS, and temperature probes.
AquaMaster H600 Pro handheld meter displays pH 7.0 and temperature 25.0°C.
Black Aquamaster Tools case with logo.
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Aqua Master Tools H600 Pro Handheld Substrate Meter

Official Aqua Master Tools Dealer Model: AMT1026
$374.95 USD
starting from 0% interest financing from /mo.

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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
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  • Measures pH, EC, TDS, and PPM across a range of 0.0 to 19.9 mS/cm.
  • IP62 housing protects internal components from water exposure during daily testing routines.
  • Automatic temperature compensation ensures accurate readings in variable ambient conditions.
  • View More Details

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THROUGH THE Cultivator's LENS Hands-On Evaluation

  • You are checking substrate runoff because your current nutrient delivery method causes salt buildup in the root zone.
  • You are measuring moisture levels directly in the medium because inconsistent growth rates make you suspect drainage.

  • The 30-day calibration countdown is a lifesaver because it removes the guesswork of deciding when to refresh probes.
  • This meter is a step up from pen-style testers because the separate electrode design makes for easier replacements.

  • Growers who struggle with inconsistent feed cycles report they now balance their runoff concentrations accurately.
  • Users tracking medium conductivity say they stopped seeing the tip burn that ruined their previous harvests.

Aqua Master Tools H600 Pro Handheld Substrate Meter

Testing runoff or pulling samples just to check your growing medium adds an extra step most growers would rather skip. The Aqua Master Tools H600 Pro Handheld Substrate Meter measures pH, EC, PPM, TDS, and temperature directly in soft, moist substrates or liquids, with an interface simple enough for newcomers and precise enough for seasoned professionals.

A built-in calibration indicator proactively reminds you when it's time to recalibrate, so accuracy never quietly drifts between uses. The H600 Pro is compatible with standard Aqua Master Tools pH and EC electrodes, and it ships with a durable carrying case to protect the meter during transport and storage.

For long-term accuracy, store the pH electrode in its protective cover with KCl storage solution between uses.

Features

🌱
Direct Substrate Testing

Measures pH, EC, TDS, PPM, and temperature right in soft, moist substrates or liquids.

🔔
Calibration Indicator

Proactively reminds you when recalibration is needed, so accuracy never drifts unnoticed.

🔌
Standard Electrode Compatible

Works with standard Aqua Master Tools pH and EC electrodes for easy replacement.

💼
Includes Carrying Case

A durable case simplifies transport and helps protect your investment between uses.

💧
IP62 Waterproof Housing

IP62-rated body with IP67 waterproof electrodes handles wet testing environments with ease.

⚙️
Auto Temp Compensation

Automatic temperature compensation and a battery indicator keep readings consistent.

What's Included

  • 1x H600 Pro Handheld Substrate Meter
  • 1x Carrying Case
  • 1x 9-Volt Battery

Specifications

Specification Value
pH Range 0.0 – 14.0 pH
EC Range 0.0 – 19.9 mS/cm
TDS Range 0.0 – 19.99 PPT
PPM Range 0 – 1999 PPM
Temperature Range 0°C ~ 50°C (32°F ~ 122°F)
pH Resolution ± 0.1 pH
EC Resolution 0.1 mS/cm
TDS Resolution 0.01 PPT
PPM Resolution 10 PPM
Temperature Resolution 0.1°C (1.0°F)
pH Accuracy ± 0.1 pH
EC Accuracy ± 2% F.S.
TDS Accuracy ± 2% F.S.
PPM Accuracy ± 2% F.S.
Temperature Accuracy ± 0.5°C (32°F)
Temperature Compensation Range 0°C – 50°C (32°F – 122°F)
PPM Scale 700 PPM
pH Calibration 2-point auto calibration, 4.0 – 7.0 pH
EC Calibration 1-point auto calibration, 1.4 / 3.0 / 12.88 EC
Power Supply (1) 9-Volt Battery
Auto Power-Off After 8 minutes
Calibration Indicator Disappears 30 days after successful calibration
Waterproof Rating IP62 (electrodes IP67 waterproof)
Dimensions 210 × 120 × 60 mm
Weight 430 g

Frequently Asked Questions

Can this meter test directly in soil or coco? +

Yes, the H600 Pro is built for direct measurement in soft, moist substrates as well as liquids, so you can test your growing medium without pulling a runoff sample.

What can the H600 Pro measure? +

It measures pH, EC, TDS, PPM, and temperature, with a simple interface for switching between parameters.

How do I know when the meter needs recalibrating? +

The built-in calibration indicator shows after a successful calibration and disappears after 30 days, prompting you to recalibrate for consistent accuracy.

What electrodes work with this meter? +

The H600 Pro is compatible with standard Aqua Master Tools pH and EC electrodes, making replacement straightforward.

What does the meter come with? +

It ships with a durable carrying case and a 9-volt battery, so it's ready to use and easy to transport right out of the box.

Is the H600 Pro waterproof? +

The housing carries an IP62 rating, and the electrodes are rated IP67 waterproof, making it suitable for damp substrate testing.

How should I store the pH electrode? +

Store the pH electrode in its protective cover with KCl storage solution between uses to keep it hydrated and reading accurately.

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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.)

Call (360) 800-5535

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