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PHOTOBIO•M LED S1 spectrum
$1,399.99
Big Time Exterminator
$43.05
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Grow-Sil 25 pound bag
$187.50 $168.75
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meters for pH & TDS/EC testing
Control Wizard Accurate pH 8 soil pH/moisture meter
The Accurate pH 8 is a professional pH and Moisture Meter with 12” Probe. Now You can check soil pH at multiple depths!! The probe is 12”...
$75.00 $50.25
Save: 33% off
Save: 33% off
Hanna Direct Soil pH Meter, HI99121N
With this direct soil pre-amplified pH and temperature probe, you can test both the pH of soil directly or after preparation of a diluted...
$455.00 $377.65
Save: 17% off
Save: 17% off
Soil Test™ Direct Soil EC Tester - HI98331
Soil Test™ Direct Soil EC Tester - HI98331 The Soil Test™ Direct Soil EC Tester - HI98331 is a rugged and reliable pocket-sized tester...
$119.00
Soil Test™ Hanna 1413 uS/cm Calibration Solution, 230 ml
Hanna 1413 μS/cm Solution, 230 ml HI7031-023 is a GroLine 1,413 µS/cm conductivity standard that is prepared against a NIST...
$16.99
HI 993310 Direct Soil Activity and Solution Conductivity Meter
HI 993310 Direct Soil Activity and Solution Conductivity Measurement Kit Supplied with two probes Automatic...
$770.95
Waterproof pH/EC/TDS/Temperature Portable Meter - HI9814
GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter - HI9814 The HI9814 is a slim, lightweight, and waterproof portable meter that...
$259.00
Horiba LAQUAtwin B-713 Compact pH Meter
Accurate pH measurements in a few seconds, from a single drop.* Water pH varies in different environments, and a slight change can often have a major...
$264.00
Horiba LAQUAtwin B-731 potassium ion meter
Horiba LAQUAtwin B-731 potassium ion meter Potassium Ion Only compact meter for a quick and reliable measurement of potassium ion at the scene...
$365.00
Horiba LaquaTwin B-741, Nitrate meter for crops
Horiba LaquaTwin B-741, Nitrate meter for crops $594.00 100-9,900 ppm measurement range for plant sap analysis The compact LAQUAtwin B-74X series...
$594.00
Horiba LaquaTwin B-751 Calcium Ion meter
Horiba LaquaTwin B-751 Calcium Ion meter For analaysis of nutrient solutions and plant sap. The compact LAQUAtwin B-751 is the only meter for quick...
$400.00
pH calibration solution, general hydroponics
general Hydroponics brand pH 4 and pH 7 calibration solution. 8 ounces of each
$14.00
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Organic Root Activator 1 gallon
$15.10 $13.59
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TM-7, 25 pounds *Special Order
$350.00 $304.50
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