Hydroponic TDS, PPM & EC Meters

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TDS, PPM, EC Meters

TDS, PPM, EC Meters

HM Digital Aquapro TDS Water Tester Model AP-1

$29.76
Out of stock
TDS Monitor Model SMS410

$92.43
Hanna Grochek Combo Monitor Model HI 991404

$197.56

Hanna pH/TDS Temperature Monitor

$235.71
Hanna GroChek pH/EC/TDS Meter HI9813-6N

$205.00
Hanna Combo HI98129 pH/EC/TDS/Temperature Tester with Low Range EC

$156.16

Hanna DiST 5 Waterproof Tester

$96.25
Hanna Primo TDS Tester

$38.98
Hanna Grochek TDS Monitor Model HI983301N

$86.19

Hanna Mini pH Controller

$164.57
Commercial Grade Combo pH/EC/TDS/Temp Meter

$441.58
Milwaukee Waterproof TDS Tester [model T76]

$67.31

Waterproof TDS Tester Model T75

$60.31
NutraDip GrowBoss - Nutrient Monitoring System

$292.22
Out of stock
Bluelab Commercial Truncheon - Nutrient Meter

$98.75