Product Tagline pH 4.0 calibration solutions – a must in every grower’s toolbox
Technical Specification
- 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
Product Features / Benefits
- Contains 250 ml/8.4 fl oz
- Boost your pH products’ longevity with regular cleaning and calibration
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