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PH & PPM Meters

28 products

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Gardin | pH Meter
Gardin Gardin | pH Meter
$19.99 $22
Warehouse Stock, 42 units
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Bluelab pH PenBluelab pH Pen - Gardin
Bluelab Bluelab pH Pen
$99.99 $112.50
Only 4 units left
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Active Air Indoor-Outdoor Thermometer and Hygrometer
Active Air Active Air Indoor-Outdoor Thermometer and Hygrometer
$22.95
Warehouse Stock, 13 units
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Active Aqua - 1/2" Inside Diameter Black Tubing, 25' Roll
Active Aqua Active Aqua - 1/2" Inside Diameter Black Tubing, 25' Roll
$11.75 $12.59
Warehouse Stock, 11 units
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Mondi Mini Greenhouse Thermo-Hygrometer
Mondi Mondi Mini Greenhouse Thermo-Hygrometer
$14.90 $16.95
Warehouse Stock, 6 units
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Demeter's Destiny by Nectar for the GodsDemeter's Destiny by Nectar for the Gods
Nectar for the Gods Demeter's Destiny by Nectar for the Gods
From $18 $20
Warehouse Stock, 15 units
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Elemental Solutions H2O Digital Thermometer
Elemental Solutions Elemental Solutions H2O Digital Thermometer
$8.10 $9
Warehouse Stock, 21 units
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Luster Leaf Rapitest Digital Moisture MeterLuster Leaf Rapitest Digital Moisture Meter - Gardin
Luster Leaf Luster Leaf Rapitest Digital Moisture Meter
$11.69 $12.99
Warehouse Stock, 11 units
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Bluelab Conductivity PenBluelab Conductivity Pen - Gardin
Bluelab Bluelab - Conductivity Pen
$84.60 $94
Only 4 units left
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MagicalButter DecarBox / Thermometer Combo
Harvest Solutions MagicalButter DecarBox / Thermometer Combo
$31.45 $34.95
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The Nute Meter - 3 in 1 pH TDS and Temperature PenThe Nute Meter - 3 in 1 pH TDS and Temperature Pen
Nute Tools The Nute Meter - 3 in 1 pH TDS and Temperature Pen
$49.95 $59.95
Warehouse Stock, 28 units
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Gardin TDS Meter
Gardin Gardin TDS Meter
$16.99 $19.99
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Gardin TDS / pH / Temp Combo MeterGardin TDS / pH / Temp Combo Meter
Gardin Gardin TDS / pH / Temp Combo Meter
$49.95
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Active Aqua - Floating Thermometer
Active Aqua Active Aqua - Floating Thermometer
$3.95
Only 4 units left
Gardin | TDS / EC PenGardin | TDS / EC Pen
Gardin Gardin | TDS / EC Pen
$19.95
Warehouse Stock, 82 units
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Open Sesame by FoxFarm 5-45-19Open Sesame by FoxFarm 5-45-19
FoxFarm Open Sesame by FoxFarm 5-45-19
$14.36 $15.95
Warehouse Stock, 10 units
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Phantom, 120V-208V-220V-240V DE Open Lighting System with USB InterfacePhantom, 120V-208V-220V-240V DE Open Lighting System with USB Interface
Phantom DE Phantom, 120V-208V-220V-240V DE Open Lighting System with USB Interface
$345.99 $383.99
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Hang Time Drying Rack 32in Diameter | 6 Shelf
Hang Time Hang Time Drying Rack 32in Diameter | 6 Shelf
$49.95 $69.95
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Save a Drop Water Meter by P3 International
Hydrofarm Save a Drop Water Meter by P3 International
$17.95 $19.95
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Bluelab Combo MeterBluelab Combo Meter - Gardin
Bluelab Bluelab - Combo Meter
$269.10 $299
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ARS Sharpening Stone
ARS ARS - Sharpening Stone
$13.49 $14.99
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Open Flow Bubbler by FloraFlexOpen Flow Bubbler by FloraFlex
FloraFlex Open Flow Bubbler by FloraFlex
$14.50
Only 4 units left
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GroLine pH / EC / Temperature Meter
Hanna Instruments GroLine pH / EC / Temperature Meter
$149.95 $232
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Ripen by General Hydroponics 0.5-7-6Ripen by General Hydroponics 0.5-7-6
General Hydroponics Ripen by General Hydroponics 0.5-7-6
$34.95 $221
Only 4 units left
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