Bluelab pH 4.0 Calibration Solution ensures your pH measuring equipment is cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solution should be stored in a cool place out of direct sun and heat and with the lids securely tightened.
- Case of 6 Bottles
- Each bottle contains 500 ml/16.9 fl oz
- Bluelab pH Pen Cleaning Instructions
- Bluelab pH & Soil pH Probe Cleaning Instructions
- Bluelab Soil pH Pen Cleaning Instructions
- pH 4.0 calibration solution MSDS
- Boost your pH products’ longevity with regular cleaning and calibration
