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Found 103 product(s) for PH/EC Maintenance (1-25 of 103)

Bluelab
Waterproof PC Testr 35 (EC & pH) FREE SHIPPING
Waterproof PC Testr 35 (EC & pH)
[90 in stock]
Price: $171.95
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BlueLab Combo Meter FREE SHIPPING BlueLab Combo Meter FREE SHIPPING
BlueLab Combo Meter
[90 in stock]
Price: $295.00
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Bluelab pH meter with probe FREE SHIPPING
Bluelab pH meter with probe
[90 in stock]
Price: $200.00
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Bluelab pH Replacement Electrode for Combo & pH Meter FREE SHIPPING Bluelab pH Replacement Electrode for Combo & pH Meter FREE SHIPPING
Bluelab pH Replacement Electrode for Combo & pH Meter
[90 in stock]
Price: $67.00
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Bluelab Truncheon FREE SHIPPING Bluelab Truncheon FREE SHIPPING
Bluelab Truncheon
[90 in stock]
Price: $135.00
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Commercial Truncheon FREE SHIPPING
Commercial Truncheon
[90 in stock]
Price: $134.95
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Guardian Monitor FREE SHIPPING Guardian Monitor FREE SHIPPING
Guardian Monitor
[90 in stock]
Price: $345.00
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Nutrient Probe Cleaning Kit Nutrient Probe Cleaning Kit
Nutrient Probe Cleaning Kit
[90 in stock]
Price: $23.95
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pH Probe Cleaning & Calibration Kit
pH Probe Cleaning & Calibration Kit
[90 in stock]
Price: $35.95
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Soil pH Meter FREE SHIPPING Soil pH Meter FREE SHIPPING
Soil pH Meter
[90 in stock]
Price: $245.00
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Soil pH Probe FREE SHIPPING Soil pH Probe FREE SHIPPING
Soil pH Probe
[90 in stock]
Price: $105.00
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General Hydroponics
1500 ppm Calibration Solution 1 qt 1500 ppm Calibration Solution 1 qt
1500 ppm Calibration Solution 1 qt
[90 in stock]
Price: $21.50
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pH 4.01 Calibration Solution 1 qt pH 4.01 Calibration Solution 1 qt
pH 4.01 Calibration Solution 1 qt
[90 in stock]
Price: $21.50
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pH 7.0 Calibration Solution 1 qt pH 7.0 Calibration Solution 1 qt
pH 7.0 Calibration Solution 1 qt
[90 in stock]
Price: $21.50
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pH Control Kit pH Control Kit
pH Control Kit
[88 in stock]
Price: $17.20
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pH Down 1 gal Acid, pH Down 1 gal Acid,
pH Down 1 gal Acid,
[90 in stock]
Price: $107.60
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pH Down 1 qt Acid, pH Down 1 qt Acid,
pH Down 1 qt Acid,
[90 in stock]
Price: $129.12
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pH Down 8 oz Acid, pH Down 8 oz Acid,
pH Down 8 oz Acid,
[90 in stock]
Price: $90.48
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pH Down Dry 1.5lbs. Acid pH Down Dry 1.5lbs. Acid
pH Down Dry 1.5lbs. Acid
[90 in stock]
Price: $10.76
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pH Down Dry 4lbs. Acid pH Down Dry 4lbs. Acid
pH Down Dry 4lbs. Acid
[90 in stock]
Price: $19.40
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pH Up 1 qt Base, pH Up 1 qt Base,
pH Up 1 qt Base
[90 in stock]
Price: $129.12
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pH Up 8 oz Base, pH Up 8 oz Base,
pH Up 8 oz Base
[90 in stock]
Price: $90.48
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pH Up Dry 1.5lbs. Base pH Up Dry 1.5lbs. Base
pH Up Dry 1.5lbs. Base
[90 in stock]
Price: $10.76
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pH Up Dry 16lbs. Base pH Up Dry 16lbs. Base
pH Up Dry 16lbs. Base
[90 in stock]
Price: $64.50
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pH Up gal Base pH Up gal Base
pH Up gal Base
[90 in stock]
Price: $107.60
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