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AquaMaster P110 EC/pH/Temp meter with LCD display, buttons, and waterproof design.
AquaMaster P110 Pro pH/EC/Temp meter with detached cap, probe, and storage caps.
AquaMaster P110 Pro combo pen measures EC, pH, and temperature with a digital display and buttons.
AquaMaster P110 EC/pH/Temp meter with digital display showing 18.6°C and waterproof rating.
AquaMaster P110 EC/pH/Temp meter with LCD display, buttons, and waterproof design.
AquaMaster P110 Pro pH/EC/Temp meter with detached cap, probe, and storage caps.
AquaMaster P110 Pro combo pen measures EC, pH, and temperature with a digital display and buttons.
AquaMaster P110 EC/pH/Temp meter with digital display showing 18.6°C and waterproof rating.

Aqua Master Tools P110 Pro Combo Pen

Official Aqua Master Tools Dealer Model: AMT1013
$114.95 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
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  • Free Shipping On Most Items*To the lower 48
  • Transparent PricingBacked w/ price match guarantee
  • 4.8/5 Top Quality Store on Google
  • Secure CheckoutSSL encrypted payments

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THROUGH THE Cultivator's LENS Highlights

  • You are testing nutrient solutions in a growing area because checking multiple parameters slows down every testing round.
  • You are maintaining nutrient reservoirs because you need a waterproof meter that floats if it drops into the tank.

  • The replaceable electrode extends the usable life of the pen well beyond a standard meter.
  • The protective cover stores the meter upright with KCl storage solution to maintain long term accuracy.
  • The 3 in 1 design measures pH, EC, and temperature in a single unit.

  • Growers who switched to this combo pen say they stopped wasting time juggling three separate meters during testing rounds.
  • Users who dropped their meter into a tank say the floating waterproof design saved them from replacing drowned equipment.

Aqua Master Tools P110 Pro Combo Pen

Carrying three separate meters just to check pH, EC, and temperature slows down every testing round — and a pen you're afraid to dip into a reservoir doesn't help either. The Aqua Master Tools P110 Pro Combo Pen solves both: it measures all three in one IP67 waterproof, floating unit, so a drop into the tank costs you nothing but a rinse.

Years of software and hardware refinement have made the P110 Pro a favorite among growers and farmers across the agricultural and horticultural sector. While this model is a trusted workhorse, those seeking the latest iteration may prefer the Aqua Master Tools P110 Pro 2 Combo Pen. The P110 Pro ships with batteries included, and its replaceable electrode extends the pen's usable life well beyond a standard meter.

To maintain electrode sensitivity and long-term accuracy, store the meter upright with KCl storage solution in the protective cover.

Features

📊
3-in-1 Measurement

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

💧
IP67 Waterproof & Floats

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

🌵
Dry Storage Electrode

No need to store the electrode in liquid, simplifying care between uses.

🔌
Replaceable Electrode

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

✋
Ergonomic Grip

A rubber ergonomic back and secured cap cord keep the pen comfortable and in hand.

🔋
Battery Indicator

Displays battery status alongside automatic temperature compensation for reliable use.

What's Included

  • 1x P110 Pro Combo Pen
  • 3x 1.5V AG-13 Button Cell Batteries

Specifications

Specification Value
pH Range 0.1 – 14.0 pH
EC Range 0.0 – 19.9 mS/cm
Temperature Range 0°C ~ 50°C (32°F ~ 122°F)
pH Resolution ± 0.1 pH
EC Resolution 0.1 mS/cm
Temperature Resolution 0.1°C (1.0°F)
pH Accuracy ± 0.1 pH
EC Accuracy ± 2% F.S.
Temperature Accuracy ± 0.5°C (32°F)
Temperature Compensation Range 0°C – 50°C (32°F – 122°F)
pH Calibration 2-point auto calibration (requires pH 4.01 and pH 7.00)
EC Calibration 1-point auto calibration, 1.4 EC
Power Supply 3 × 1.5V AG-13 Button Cell Batteries
Auto Power-Off After 8 minutes
Calibration Indicator Indicates correct calibration
Waterproof Rating IP67
Dimensions 220 × 40 × 40 mm
Weight 102 g

Video Tutorials

Frequently Asked Questions

What does the P110 Pro measure? +

The P110 Pro measures pH, EC, and temperature in liquids, making it a versatile combo meter for agricultural and horticultural use.

How do I calibrate the pH and EC readings? +

pH uses a 2-point auto calibration between 4.0 and 7.0 pH, while EC uses a 1-point auto calibration at 1.4 EC. See the linked calibration videos above for full walkthroughs.

What happens if I drop it in water? +

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

Do I need to store the electrode in liquid? +

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

Can I replace the electrode myself? +

Yes, the electrode is replaceable, extending the pen's lifetime. See the linked replacement video above for step-by-step instructions.

Does it come with batteries? +

Yes, the P110 Pro ships with 3 included 1.5V AG-13 button cell batteries, so it's ready to use right out of the box.

How should I store the meter between uses? +

Store it upright with KCl storage solution in the protective cover to help keep the electrode accurate over time.

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Questions About This Product?

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