PPM | TDS | EC Meters

Hanna GroLine Hydroponic Nutrients Monitor for pH, EC, TDS, ... Hanna GroLine Hydroponic Nutrients Monitor for pH, EC, TDS, and Temperature
$36400 $29500
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$36400 $29500
Bluelab® Guardian Monitor Connect In-Line Bluelab® Guardian Monitor Connect In-Line
$55800 $44685
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$55800 $44685
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HANNA® GroLine Hydroponic Waterproof pH/EC/TDS/Temperature P... HANNA® GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter
$24999 $19900
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$24999 $19900
HANNA® GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temper... HANNA® GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
$19999 $15900
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$19999 $15900
HANNA® GroLine Waterproof EC/TDS (ppm) Tester HANNA® GroLine Waterproof EC/TDS (ppm) Tester
$9999 $5900
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$9999 $5900
Nutradip® GROWBOSS Nutrient Monitoring System Nutradip® GROWBOSS Nutrient Monitoring System
$26995 $22495
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$26995 $22495
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HANNA® Combo pH / Conductivity / TDS Tester HANNA® Combo pH / Conductivity / TDS Tester
$19995 $15995
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$19995 $15995
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Bluelab® Guardian Monitor Bluelab® Guardian Monitor
$36400 $30025
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$36400 $30025
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Bluelab® Grower's Toolbox, Limited Edition Bluelab® Grower's Toolbox, Limited Edition
$19900 $15950
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$19900 $15950
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HM Digital Waterproof EC/TDS/Temp Combo Meter HM Digital Waterproof EC/TDS/Temp Combo Meter
$7931 $6332
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$7931 $6332
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Bluelab Commercial Truncheon® Nutrient Meter Bluelab Commercial Truncheon® Nutrient Meter
$14000 $11200
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$14000 $11200
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HM Digital EC / TDS HydroTester HM Digital EC / TDS HydroTester
$4553 $3646
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$4553 $3646
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Bluelab Truncheon® Nutrient Meter Bluelab Truncheon® Nutrient Meter
$14000 $11200
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$14000 $11200
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Milwaukee Smart pH / EC / TDS Combination Meter Milwaukee Smart pH / EC / TDS Combination Meter
$24995 $19995
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$24995 $19995
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HM Digital Pocket-Size TDS Meter HM Digital Pocket-Size TDS Meter
$2916 $2347
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$2916 $2347
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HANNA® pH / EC / TDS Meter with F.S.T. Technology HANNA® pH / EC / TDS Meter with F.S.T. Technology
$29300 $23436
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$29300 $23436
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HM Digital AquaPro TDS Water Tester HM Digital AquaPro TDS Water Tester
$4553 $3413
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$4553 $3413
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Bluelab® Guardian Monitor Connect Bluelab® Guardian Monitor Connect
$45000 $36000
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$45000 $36000
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HANNA® DiST® 5 EC / TDS / Temperature Tester HANNA® DiST® 5 EC / TDS / Temperature Tester
$14100 $11265
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$14100 $11265
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HortiCare Nutrient Check PPM HortiCare Nutrient Check PPM
$8853 $7050
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$8853 $7050
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HM Digital Handheld TDS Meter with Carrying Case HM Digital Handheld TDS Meter with Carrying Case
$3959 $3037
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$3959 $3037
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Control Wizard 24-7 Nutrient Monitor™ Control Wizard 24-7 Nutrient Monitor™
$21695 $17345
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$21695 $17345
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Milwaukee T75 Waterproof TDS Tester Milwaukee T75 Waterproof TDS Tester
$9265 $7395
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$9265 $7395
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Control Wizard E.C Dipstick™ Control Wizard E.C Dipstick™
$9059 $7002
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$9059 $7002
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