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General Hydroponics 4.01 & 7.0 Calibration Solution 32oz set

General Hydroponics 4.01 & 7.0 Calibration Solution 32oz set

$ 31.67

Availability: 68 in stock
  • Form: Liquid
  • Packaging: Bottle
  • Type: pH Calibration Solution
  • Condition: New
  • Brand: General Hydroponics

    Description

    General Hydroponics 4.01 & 7.0 Calibration Solution 32oz set
    General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.