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Meters & Testing

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General Hydroponics
GH pH Control Kit
•••••
$18.95
Baker Creek Heirloom Seeds
Clyde's Garden Planner
•••••
$6.95
HM Digital
Aquapro TDS Water Tester
•••••
$42.95
HM Digital
Waterproof pH Meter Model PH-200
•••••
$99.95
CYCO
pH Down (5L)
•••••
$33.95
Hydrofarm
Mini Measure Shot Glass
•••••
$3.95
HM Digital
Waterproof pH Meter
•••••
$99.95
General Hydroponics
pH Test Kit (1oz)
•••••
$7.95
General Hydroponics
GH pH Down Liquid Quart
•••••
$10.95
HM Digital
HM Digital pH 80 Meter
•••••
$46.95
General Hydroponics
1500 PPM Reference Solution
•••••
$8.95
General Hydroponics
pH 4.01 Calibration Solution
•••••
$7.95