pH Meters | Pens | Monitors

HANNA® GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temper... HANNA® GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
$186.00 $159.00
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$186.00 $159.00
HANNA® GroLine Hydroponic Waterproof pH/EC/TDS/Temperature P... HANNA® GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter
$232.00 $199.00
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$232.00 $199.00
HANNA® GroLine Hydroponics pH Tester HANNA® GroLine Hydroponics pH Tester
$52.00 $45.00
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$52.00 $45.00
HANNA® Checker® pH Tester HANNA® Checker® pH Tester
$50.00 $40.00
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$50.00 $40.00
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Sunleaves® pH Expert Plus Meter Sunleaves® pH Expert Plus Meter
$112.00 $79.95
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$112.00 $79.95
HANNA® Combo pH / Conductivity / TDS Tester HANNA® Combo pH / Conductivity / TDS Tester
$199.95 $159.95
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$199.95 $159.95
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Bluelab® Grower's Toolbox, Limited Edition Bluelab® Grower's Toolbox, Limited Edition
$199.00 $159.50
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$199.00 $159.50
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HANNA® GroCheck Combo Meter HANNA® GroCheck Combo Meter
$242.00 $193.43
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$242.00 $193.43
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Bluelab® Guardian Monitor Connect Bluelab® Guardian Monitor Connect
$450.00 $360.00
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$450.00 $360.00
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HANNA® pHep® 4 pH / Temperature Tester HANNA® pHep® 4 pH / Temperature Tester
$118.95 $94.95
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$118.95 $94.95
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Nutradip® GROWBOSS Nutrient Monitoring System Nutradip® GROWBOSS Nutrient Monitoring System
$269.95 $224.95
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$269.95 $224.95
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HANNA® pH / EC / TDS Meter with F.S.T. Technology HANNA® pH / EC / TDS Meter with F.S.T. Technology
$293.00 $234.36
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$293.00 $234.36
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HM Digital Waterproof pH Meter HM Digital Waterproof pH Meter
$99.95 $79.95
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$99.95 $79.95
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HM Digital pH HydroTester HM Digital pH HydroTester
$63.00 $52.29
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$63.00 $52.29
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Bluelab® pH Pen Bluelab® pH Pen
$112.50 $90.00
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$112.50 $90.00
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Oakton® Waterproof EcoTestr pH 2 Oakton® Waterproof EcoTestr pH 2
$91.95 $73.45
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$91.95 $73.45
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Control Wizard 24-7 Nutrient Monitor™ Control Wizard 24-7 Nutrient Monitor™
$216.95 $173.45
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$216.95 $173.45
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Oakton® Waterproof EcoTestr pH 1 Oakton® Waterproof EcoTestr pH 1
$72.95 $58.30
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$72.95 $58.30
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HANNA® Portable pH / EC / TDS / Temperature Meter with CAL C... HANNA® Portable pH / EC / TDS / Temperature Meter with CAL Check™
$272.95 $218.35
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$272.95 $218.35
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HM Digital HydroMaster HM-500 HM Digital HydroMaster HM-500
$359.00 $284.50
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$359.00 $284.50
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HANNA® pH Kit for Hydroponics HANNA® pH Kit for Hydroponics
$55.75 $44.60
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$55.75 $44.60
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Milwaukee pH600 Tester Milwaukee pH600 Tester
$34.50 $28.65
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$34.50 $28.65
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Oakton® Waterproof pHTestr® 10 Oakton® Waterproof pHTestr® 10
$139.95 $111.90
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$139.95 $111.90
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HANNA® pHep® pH Tester HANNA® pHep® pH Tester
$70.00 $56.00
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$70.00 $56.00
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HortiCare pH Tester HortiCare pH Tester
$79.95 $63.95
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$79.95 $63.95
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Milwaukee Martini pH55 Waterproof pH and Temperature Tester Milwaukee Martini pH55 Waterproof pH and Temperature Tester
$81.00 $64.79
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$81.00 $64.79
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Milwaukee Smart Portable pH Meter Milwaukee Smart Portable pH Meter
$117.00 $93.32
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$117.00 $93.32
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Oakton® Waterproof Multi-Parameter PTTestr35 Oakton® Waterproof Multi-Parameter PTTestr35
$173.70 $136.61
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$173.70 $136.61
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Nutradip® pH Meter Dual Power AC / DC | Special Order Only Nutradip® pH Meter Dual Power AC / DC | Special Order Only
$129.15 $104.45
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$129.15 $104.45
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Milwaukee Smart pH / EC / TDS Combination Meter Milwaukee Smart pH / EC / TDS Combination Meter
$249.95 $199.95
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$249.95 $199.95
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Bluelab® Connect Range Extender Bluelab® Connect Range Extender
$164.00 $131.20
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$164.00 $131.20
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Bluelab® Connect Stick Bluelab® Connect Stick
$151.70 $121.35
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$151.70 $121.35
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