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Blue Ridge Hydroponics

Bluelab pH4 Calibration Solution 250ml

Bluelab pH4 Calibration Solution 250ml

Regular price $13.99 USD
Regular price Sale price $13.99 USD
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pH 4.0 calibration solutions - a must in every grower's toolbox! 

  • Contains 250 ml/8.4 fl oz 
  • Boost your pH products’ longevity with regular cleaning and calibration

Type: A clean probe is an accurate probe

Bluelab pH Pen Cleaning Instructions

Bluelab pH & Soil pH Probe Cleaning Instructions

Bluelab Soil pH Pen Cleaning Instructions

pH 4.0 calibration solution MSDS

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