PPM | TDS | EC Meters

HANNA® GroLine Waterproof EC/TDS (ppm) Tester HANNA® GroLine Waterproof EC/TDS (ppm) Tester
$69.00 $59.00
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$69.00 $59.00
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® 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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HM Digital Waterproof EC/TDS/Temp Combo Meter HM Digital Waterproof EC/TDS/Temp Combo Meter
$77.00 $61.48
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$77.00 $61.48
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HANNA® DiST® 5 EC / TDS / Temperature Tester HANNA® DiST® 5 EC / TDS / Temperature Tester
$141.00 $112.65
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$141.00 $112.65
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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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Bluelab Truncheon® Nutrient Meter Bluelab Truncheon® Nutrient Meter
$140.00 $112.00
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$140.00 $112.00
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Bluelab Commercial Truncheon® Nutrient Meter Bluelab Commercial Truncheon® Nutrient Meter
$140.00 $112.00
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$140.00 $112.00
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HortiCare Nutrient Check PPM HortiCare Nutrient Check PPM
$85.95 $68.45
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$85.95 $68.45
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HM Digital Handheld TDS Meter with Carrying Case HM Digital Handheld TDS Meter with Carrying Case
$37.00 $28.38
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$37.00 $28.38
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HM Digital Pocket-Size TDS Meter HM Digital Pocket-Size TDS Meter
$27.00 $21.73
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$27.00 $21.73
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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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Control Wizard E.C Dipstick™ Control Wizard E.C Dipstick™
$87.95 $67.98
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$87.95 $67.98
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HM Digital AquaPro TDS Water Tester HM Digital AquaPro TDS Water Tester
$42.95 $32.20
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$42.95 $32.20
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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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Bluelab® ppm Pen Bluelab® ppm Pen
$94.00 $75.15
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$94.00 $75.15
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HM Digital EC / TDS HydroTester HM Digital EC / TDS HydroTester
$42.95 $34.40
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$42.95 $34.40
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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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Nutradip® Nutrient Meter EC Dual Power AC / DC Nutradip® Nutrient Meter EC Dual Power AC / DC
$119.65 $97.16
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$119.65 $97.16
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HANNA® pH / TDS / Temperature Monitor HANNA® pH / TDS / Temperature Monitor
$279.95 $223.95
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$279.95 $223.95
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Hanna® Primo TDS Tester Hanna® Primo TDS Tester
$49.95 $39.95
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$49.95 $39.95
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Milwaukee pH / EC / TDS Combo Meter Milwaukee pH / EC / TDS Combo Meter
$279.95 $223.55
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$279.95 $223.55
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Milwaukee T75 Waterproof TDS Tester Milwaukee T75 Waterproof TDS Tester
$89.95 $71.80
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$89.95 $71.80
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Oakton® Waterproof EcoTestr TDS Low Oakton® Waterproof EcoTestr TDS Low
$87.95 $70.23
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$87.95 $70.23
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