pH Control

PH Control

25 products

Ph Control

pH Control

pH refers to the concentration of hydrogen ions in your growing medium and should be tested regularly to ensure that it remains at a level of 7. Hydroponic systems require more regular testing and should be kept between 5.2-6.3. 

Learn more:
- How do I adjust my pH? 
- What is nutrient lockout and how can I prevent it? 

Back to Climate Control

Showing 1 - 25 of 25 products
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HM Digital pH Meter Model PH-80. - GrowDaddy
hm HM Digital pH Meter Model PH-80 For Plant Health
$64.99 $89.99
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GroLine Hanna pH Tester - GrowDaddy
Groline GroLine Hanna pH Tester For Plant Health
$74.95 $89.95
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Cyco: pH UP - GrowDaddy
Cyco Nutrients Cyco: pH UP
From $16.99
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Cyco: Calibration Solution pH 4.0 250ml - GrowDaddy
Cyco Nutrients Cyco: Calibration Solution pH 4.0 250ml
$11.95
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Green Planet Nutrients: pH Up - GrowDaddyGreen Planet Nutrients: pH Up - GrowDaddy
Green Planet Green Planet Nutrients: pH Up
From $18.99
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Grotek Electrode Cleaning Kit 250 ML - GrowDaddy
Grotek Grotek Electrode Cleaning Kit 250 ML
$19.99
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Bluelab pH Pen - GrowDaddyBluelab pH Pen for Water - GrowDaddy
BlueLab Bluelab pH Pen for Water
$129.99 $169.99
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Bluelab Multimedia pH Meter - GrowDaddy
BlueLab Bluelab Multimedia pH Meter (Leap Probe Included) For Plant Health
$339.95 $449.99
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Rapitest Digital Soil pH Meter - GrowDaddy
Luster Leaf Rapitest Digital Soil pH Meter For Plant Health
$29.99
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Bluelab Combo Meter Plus - GrowDaddy
BlueLab Bluelab Combo Plus Meter - Probe Included For Plant Health
$359.95 $479.99
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Hanna HI7007L Buffer pH 7.01 500ml - GrowDaddy
Hanna Hanna Buffer pH 7.01 500ml
$18.99 $24.99
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Alfred Digital pH Meter Model PH-80. - GrowDaddy
Alfred Alfred Digital pH Meter Model PH-1 For Plant Health
$59.95
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HM Digital TDS EZ Meter - GrowDaddy
hm HM Digital TDS EZ Meter For Plant Health
$32.99 $89.99
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HM Digital Hydrotester 80s TDS/EC C/F - GrowDaddy
hm HM Digital HydroTester 80s - The Ultimate EC/TDS/TEMP Meter For Plant Health
$64.99 $89.99
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Bluelab Combo Meter - GrowDaddy
BlueLab Bluelab Combo Meter For Plant Health
$369.95 $405.95
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TrolMaster Hydro-X Device Station 6-Pack (1x DSC, 1x DSH, 1x DST, 3x DSP) - GrowDaddyTrolMaster Hydro-X Device Station 6-Pack (1x DSC, 1x DSH, 1x DST, 3x DSP) - GrowDaddy
TrolMaster TrolMaster Hydro-X Device Station 6-Pack (1x DSC, 1x DSH, 1x DST, 3x DSP)
$469.99 $499.99
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Future Harvest: pH Up - GrowDaddyFuture Harvest: pH Up - GrowDaddy
Future Harvest Future Harvest: pH Up
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Alfred's pH Paper Test Strips (150 strips) - GrowDaddy
Alfred Alfred's pH Paper Test Strips (150 strips) For Plant Health
$9.99
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Environmental Concepts Soil Test Kit With 40 Tests - GrowDaddyEnvironmental Concepts Soil Test Kit With 40 Tests - GrowDaddy
Rapitest Environmental Concepts Soil Test Kit With 40 Tests
$39.99
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Advanced Nutrients pH Up & Down 1L Bundle - GrowDaddy
Advanced Nutrients Advanced Nutrients pH Up & Down 1L Bundle
$41.87 $47.99
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Bluelab Growers Tool Box pH Pen & Conductivity and Temperature Pen for Water - GrowDaddyBluelab Growers Tool Box pH Pen & Conductivity and Temperature Pen for Water - GrowDaddy
BlueLab Bluelab Growers Tool Box pH Pen & Conductivity and Temperature Pen for Water
$249.99 $299.99
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Bluelab pH and Conductivity Starter Pack - GrowDaddyBluelab pH and Conductivity Starter Pack - GrowDaddy
BlueLab Bluelab pH and Conductivity Starter Pack
$225.95 $289.99
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Bluelab Meter Carry Case for Bluelab Combo Meters - GrowDaddyBluelab Meter Carry Case for Bluelab Combo Meters - GrowDaddy
BlueLab Bluelab Meter Carry Case for Bluelab Combo Meters
$69.95 $84.99
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Hanna pH Tester HI98107 - GrowDaddyHanna pH Tester HI98107 - GrowDaddy
Hanna Hanna pH Tester HI98107 For Plant Health
$69.99 $104.95
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Hanna TDS Calibration Solution 500ml - GrowDaddy
Hanna Hanna TDS Calibration Solution 500ml
$17.95 $24.99
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