pH Meters

Hanna Instruments - Hanna Hydroponics pH Tester (HI99104) (716809)

Model: 716809

HI 99104 is an ideal pocket tester designed with a 0.01 pH resolution and two point manual calibration through easy to reach trimmers, it immediately displays pH variations to reflect the smallest change in the sample. Unlike conventional testers, HI 99104 has a long and slim stem, ideal for measurements in small samples or test tubes. HI 99104 is supplied with a rugged, plastic body electrode with a screw connector that allows for quick and easy electrode replacement. Additionally, it's low power demand allows for 1000 hours of battery life with common 1.5V batteries.

$43.60

Bluelab - Grower's Toolbox (716194)

Model: 716194

The Bluelab Grower’s Toolbox combines the essential tools you need to easily manage your crop by measuring the pH, conductivity (ppm) and temperature of the nutrient solution. Learn the hydroponics basics with the Grow Book, so you can get going… And keep growing with the ultimate handy team, the Bluelab pH Pen and Bluelab ppm Pen. These clever little pens make it easy to measure the nutrient uptake (pH), the amount of food available (ppm) and the solution temperature, so you can create the best nutrient environment for your plants’ growth.

$147.99

Luster Leaf - Rapitst Soil Tester (716917)

Model: 716917

It’s vital to know the existing pH, Nitrogen, Phosphorus and Potash levels in garden soil. The soil’s pH controls the availability of these three nutrients essential to plant health. Test results allow the gardener to amend and fertilize appropriately, ensuring the best possible growing results.

4 color-coded tests:
1 each for pH, nitrogen, phosphorous and potash.

$5.88

Milwaukee pH Monitor MC120 (716684)

Model: 716684
  • Professional pH monitor
  • User selectable Hi/Low Set Point
  • Manual 2 points calibration
  • Visual LED alarm
  • Supplied with 12 VDC adapter, mounting kit, and 20ml pH 7.01 calibration solution
  • Double junction pH electrode with 2m cable (BNC connector)
$118.48

Milwaukee pH Monitor MC110 (716682)

Model: 716682
  • Professional pH monitor
  • User selectable Hi/Low Set Point
  • Manual 2 points calibration
  • Visual LED alarm
  • Supplied with 12 VDC adapter, mounting kit, and 20ml pH 7.01 calibration solution
  • Double junction pH electrode with 2m cable (BNC connector)
$118.48

Milwaukee pH / EC / TDS Combo Meter (716678)

Model: 716678

Standard pH/EC/TDS combo mini-bench meter for quick and reliable measurements.

  • Faster Processor with The New Chipset and Motherboard
  • 100% Larger & Easier To Read LED Display
  • Smaller, Ergonomic & Lighter Case Design

Includes: 9vDC power supply, mounting Kit, SE600 Combo probe, probe holder, and a 20ml sachet of calibration solution of pH 7.01, 1500ppm, and 1413µS/cm
Standard pH/EC/TDS combo mini-bench meter for quick and reliable measurements.

$197.52

Milwaukee pH Meter (716672)

Model: 716672

Standard pH mini-bench meter for quick and reliable measurements.

  • Double junction electrode with 1 meter cable
  • Manual calibration 2 points
  • Faster Processor with The New Chipset and Motherboard
  • 100% Larger & Easier To Read LED Display
  • Smaller, Ergonomic & Lighter Case Design

Includes: 9vDC power supply, mounting Kit, SE220 pH probe, probe holder, and 20ml pH 7.01 & 4.01 calibration solution

$109.07

Bluelab Soil pH Pen (716438)

Model: 716438

This clever soil pH pen will help you manage the success of soil grown crops. The soil pH pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. It will also measure solutions too…

$137.99

Future Harvest - Nutradip pH Meter Dual Power AC DC (716360)

Model: 716360

Nutradip? pH Meter is a continuous monitoring pH meter with automatic temperature compensation and DC power built in for portability. High quality pH probe, plant friendly display and lightweight, portable and splash resistant.

$93.22
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