PH METERS

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HM DIGITAL Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 0–14 pH with a waterproof housing. Digital automatic calibration (one point), with
HM Digital Waterproof pH Meter
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Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 0–14 pH with a waterproof housing. Digital automatic calibration (one point), with
$99.99
HM DIGITAL Product Details<br /> The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.<br /> <br /> FEATURES<br /> <br /> Measures pH and temper
HM Digital PH-80 pH/Temperature Meter
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Product Details
The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.

FEATURES

Measures pH and temper
$46.99
HM DIGITAL Measures pH and Temperature<br /> Auto-ranging three point calibration with digital fine tuning<br /> Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up<br /> Waterproof housing<br /> Simultaneous temperature display<br /> Measurement Ra
HM Digital PH-200 Waterproof pH/Temperature Meter
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Measures pH and Temperature
Auto-ranging three point calibration with digital fine tuning
Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up
Waterproof housing
Simultaneous temperature display
Measurement Ra
$99.99
OAKTON OAKTON ECO TESTER PH1
Economical, pocket sized meter. Waterproof, dust proof housing that floats. Easy to use; push-button calibration with auto buffer recognition. Includes transparent electrode cover/sample cup. Push-button calibration, HOLD function and error messages. Rang
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OAKTON ECO TESTER PH1
$79.99
BLUE LAB Bluelab pH Pen
The ultimate handy solution for measuring pH!

Plants get their nutrition from minerals but they can only get all the right minerals they need if certain conditions are right.

A key factor that affects food uptake is whether your solution is acid or alka
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Bluelab pH Pen
$112.50
BLUE LAB Bluelab Soil pH Pen
Bluelab® Soil pH Pen measures pH and temperature in Fahrenheit and Celsius, to ensure proper nutrient uptake from nutrient solutions and soil. The completely waterproof pen features a backlit LCD, push-button readings, integrated storage cap and dibber, a
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Bluelab Soil pH Pen
$185.99
BLUE LAB Measures pH and temperature.<br /> Selectable units for ˚C & ˚F.<br /> Backlit LCD display.<br /> Double junction probe (not replaceable).<br /> Successful calibration indicator.<br /> Hold reading function and low battery warning.<br /> Fully waterproof with auto off function.<br /> Automatic te
BLUELAB PH PEN
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Measures pH and temperature.
Selectable units for ˚C & ˚F.
Backlit LCD display.
Double junction probe (not replaceable).
Successful calibration indicator.
Hold reading function and low battery warning.
Fully waterproof with auto off function.
Automatic te
$118.99
AUTOPILOT Digital pH Controller
The Autopilot pH-1 controller accurately and reliably measures and controls the pH of any water-based solution, including hydroponic nutrient mixtures, and fish aquarium water.

After selecting the desired pH setting from 5.0 to 8.0 pH, the pH controller
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Digital pH Controller
$369.99
MILWAUKEE MILWAUKEE PH600 PH METER
Milwaukee's most affordable pH tester, range: 0.0 to 14.0 pH, with one point manual calibration and accuracy of_+ 0.2 pH. Battery Life: 700 hours. Calibration solution sold separately. 30 day warranty.
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MILWAUKEE PH600 PH METER
$39.99
HM DIGITAL HM Digital pH 80 Meter
Resolution: pH 0.1 pH, 0.00 - 14.0 pH. Accurate to ±0.1 pH. Hold button and auto shut-off. Automatic Calibration: Auto-ranging to 4, 7 or 10 pH. Very reliable and long lasting. Low battery indicator. Clear cap to notice moisture (or lack of) on probe. Gla
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HM Digital pH 80 Meter
$46.99