pH Meters | Pens | Monitors

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 Hydroponics pH Tester HANNA® GroLine Hydroponics pH Tester
$8999 $4900
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$8999 $4900
Oakton® CTS EcoTestr TDS Oakton® CTS EcoTestr TDS
$10300 $8240
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$10300 $8240
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Bluelab® pH Pen Bluelab® pH Pen
$11475 $9180
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$11475 $9180
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HANNA® Checker® pH Tester HANNA® Checker® pH Tester
$5300 $4240
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$5300 $4240
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Sunleaves® pH Expert Plus Meter Sunleaves® pH Expert Plus Meter
$10295 $8235
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$10295 $8235
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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HANNA® pHep® 4 pH / Temperature Tester HANNA® pHep® 4 pH / Temperature Tester
$12133 $9685
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$12133 $9685
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HM Digital Waterproof pH Meter HM Digital Waterproof pH Meter
$9995 $7995
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$9995 $7995
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HM Digital pH HydroTester HM Digital pH HydroTester
$6552 $5438
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$6552 $5438
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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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Bluelab® pH Meter Bluelab® pH Meter
$21000 $16800
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$21000 $16800
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Milwaukee pH600 Tester Milwaukee pH600 Tester
$3692 $3066
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$3692 $3066
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Bluelab® Combo Meter Bluelab® Combo Meter
$30800 $24640
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$30800 $24640
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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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Oakton® Waterproof EcoTestr pH 2 Oakton® Waterproof EcoTestr pH 2
$9471 $7565
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$9471 $7565
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Bluelab® Guardian Monitor Connect Bluelab® Guardian Monitor Connect
$45000 $36000
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$45000 $36000
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Milwaukee Smart Portable pH Meter Milwaukee Smart Portable pH Meter
$11934 $9519
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$11934 $9519
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HANNA® pHep® pH Tester HANNA® pHep® pH Tester
$7280 $5824
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$7280 $5824
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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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