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Additives
Hydroponics Additive
Organic Soil Additive
Nutrients
Organic Nutrients
Synthetic Nutrients
Soil
Companion Plants
Organic Amendment
Substrate
Environmental Equipment
Airflow & Purification
Grow Lights
Grow Tents
Growing Accessories
Humidity Control
Hygrometers & Timers & Plugs
Plant Support
Pots & Trays
Reflective Walls & Ratchets
Sterilization & Protection
Watering & Aeration
Plant Propagation
Plant Propagation
Organic IPM (Pest & Fungus)
Pest Management
Testing Equipment
Light Meters
pH & EC meters
pH & EC Solutions
Harvesting & Curing
Harvesting & Curing
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ph & ec solutions
testing equipment
IN STOCK
R440
1
BlueLab
pH Probe KCl Storage Solution
IN STOCK
R220
1
BlueLab
pH 4.0 Calibration Solution
IN STOCK
R220
1
BlueLab
pH 7.0 Calibration Solution
IN STOCK
R310
1
BlueLab
Probe Care Kit - Conductivity
IN STOCK
R380
1
BlueLab
Probe Care Kit - pH
IN STOCK
R590
1
BlueLab
Probe Care Kit - pH & Conductivity
IN STOCK
R220
1
BlueLab
2.77 EC Conductivity Standard Solution