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GH pH 4.01 Qt.
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GH pH 4.01 Qt.


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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.

  • Our price:
  • $23.95
Qty:  
  • Weight
    2.5000 lbs
  • SKU
    1418

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