IN STOCK In stock

Digital pH & EC Meter Set

Precision meters with calibration solutions and cases.

$89.99

free shipping over $75 · arrives in 3–5 days

  • pH accurate to 0.01 with automatic temperature compensation
  • EC/TDS meter for nutrient strength
  • One-touch calibration, backlit displays
  • IP67 waterproof housings with carry cases
Free shipping On qualifying orders
30-day returns No-fuss guarantee
Warranty 1-yr warranty · 30-day returns
By the numbers

Field-tested performance

0.01
pH resolution with ATC
IP67
waterproof housings
3
calibration solutions included
Specifications

The details that matter

pH meter 0.01 resolution, ATC, backlit
EC/TDS meter µS/cm and ppm modes, ATC
Calibration pH 4.0, pH 7.0, 1413 µS/cm standards
Rating IP67 waterproof
Cases Protective carry cases + quick-reference guide
In the box

Everything that ships

  • Digital pH meter
  • Digital EC/TDS meter
  • pH 4.0 & 7.0 buffer solutions
  • 1413 µS/cm EC standard
  • 2 carry cases
  • Crop range reference card
From our test beds

Honest note: a pH probe left to dry out is a dead probe. Keep storage solution in the cap between uses — plain water slowly ruins it too.

FAQ

Questions, answered

How often should I calibrate?

Calibrate the pH meter weekly and after storage. EC meters drift less — monthly is fine for hobby use.

Do the probes need special storage?

The pH probe must stay wet in storage solution (a few drops in the cap). A dry probe dies quickly — that is the #1 killer of pH meters.

Growers also add

Pairs well with

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The long read

Why we grow it this way

Stop guessing your water

In hydroponics, pH and EC are the two numbers that decide everything. Get them right and nutrients flow; get them wrong and plants starve in a full reservoir. This set pairs a 0.01-accuracy pH meter with an EC/TDS meter, both with automatic temperature compensation, backlit displays, and one-touch calibration.

They arrive with calibration solutions and waterproof cases, ready to use the day they land.

Not sure what your numbers should be? The hydroponics field guide lists target ranges by crop.

Reviews

What growers say

4.5 2 reviews
Sophia G. Verified purchase
Jul 23, 2026

Finally know what my reservoir is doing

Accurate, quick to calibrate, and the cases keep them safe. Diagnosed a lockout the first week that I never would have caught by eye.

Marcus W. Verified purchase
Jul 23, 2026

Reliable pair

Both hold calibration well. Just remember the storage solution — I killed a cheaper probe before by letting it dry.