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AquaMaster P110 Pro combo pen pH/EC/temp meter with a digital display and three buttons, on a white background.
AquaMaster P110 digital EC/pH/Temp meter with LCD screen and buttons.
AquaMaster P110 Pro combo pen: pH, EC, TDS, and temp meter with separate probe and cap.
Black AquaMaster P110 combo pen meter with digital display showing 18.6, "EC", and "UU".
AquaMaster P110 Pro combo pen pH/EC/temp meter with a digital display and three buttons, on a white background.
AquaMaster P110 digital EC/pH/Temp meter with LCD screen and buttons.
AquaMaster P110 Pro combo pen: pH, EC, TDS, and temp meter with separate probe and cap.
Black AquaMaster P110 combo pen meter with digital display showing 18.6,
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Aqua Master Tools P110 Pro 2 Combo Pen

Official Aqua Master Tools Dealer Model: AMT1013.2
$129.95 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
  • Measures pH, EC, and temperature in one handheld unit.
  • IP67 waterproof rating keeps the internal electronics safe if the device takes a swim in the reservoir.
  • Selectable 1 or 2 decimal precision allows for either broad checks or highly specific nutrient tracking.
  • 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 upgrading your testing gear because your current meter keeps sinking in the tank and forcing you to retrieve it.
  • You are switching to this combo pen because squinting at a dim screen makes it impossible to verify readings quickly.

  • The floating housing is a huge relief when you work around large reservoirs since you can just scoop it back out.
  • The 30-day calibration reminder forces better habits that prevent the slow accuracy drift common with older pens.

  • Users who switched to the high-contrast display say they finally stopped guessing the numbers in low-light grow rooms.
  • Growers who swapped in this unit report saving time because the dry storage electrode eliminates the constant soaking.

Aqua Master Tools P110 Pro 2 Combo Pen

Squinting at a dim display to catch a reading, or losing a pen in the reservoir, are two problems growers shouldn't have to deal with anymore. The Aqua Master Tools P110 Pro 2 fixes both: a black display with white characters makes readings easy to read at a glance, and an IP67 waterproof, floating housing means a drop into the tank costs nothing but a rinse.

This upgraded Combo Pen builds on the original P110 Pro with AAA batteries in place of button cells, selectable 1 or 2 decimal precision, and a calibration reminder that triggers after 30 days so accuracy never quietly drifts. A dry storage electrode means you don't need to keep it soaking in liquid between uses, and the replaceable electrode keeps the pen serviceable for years.

Dried salts around the pH electrode are normal and not a sign of a problem. Before first use, soak the electrode in tap water for at least 12 hours to dissolve any salts and properly activate it.

Features

📊
3-in-1 Measurement

Measures pH, EC, and temperature in a single handheld combo pen.

🖥️
High-Contrast Display

Black display with white characters improves readability over the original Pro.

🔢
Selectable Precision

Choose 1 or 2 decimal precision to match the level of detail you need.

🔔
30-Day Calibration Reminder

Prompts recalibration after 30 days, so accuracy never quietly drifts.

💧
IP67 Waterproof & Floats

Fully waterproof and buoyant, so an accidental drop into your reservoir won't cost you the pen.

🔌
Replaceable Electrode

Swap the electrode instead of replacing the whole pen, extending its usable lifespan.

Specifications

Specification Value
Power Supply AAA Batteries
Calibration Indicator Reminder after 30 days
Display Black display, white characters
Decimal Precision Selectable 1 or 2 decimal
Waterproof Rating IP67
Dimensions 2.83 × 1.81 × 10.24 in

Frequently Asked Questions

How is the P110 Pro 2 different from the original P110 Pro? +

The Pro 2 uses AAA batteries instead of button cells, adds a black display with white characters for better readability, offers selectable 1 or 2 decimal precision, and reminds you to calibrate after 30 days.

What should I do before using the meter for the first time? +

Soak the electrode in tap water for at least 12 hours before first use. This dissolves any dried salts and properly activates the electrode.

Is it normal to see dried salts around the electrode? +

Yes, dried salts around the pH electrode are completely normal and not a cause for concern. Soaking the electrode in tap water will dissolve them.

What happens if I drop it in water? +

The P110 Pro 2 is IP67 waterproof and designed to float, so an accidental drop into a tank or basin won't damage it or cause it to sink.

Do I need to store the electrode in liquid? +

No, the P110 Pro 2 uses a dry storage electrode, so it doesn't require constant liquid storage between uses.

Can I replace the electrode myself? +

Yes, the electrode is replaceable, which extends the pen's lifespan and simplifies long-term maintenance.

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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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