Bluelab pH 4.0 Calibration Solution – 250 ml / 8.4 fl oz ice maker scale prevention Environmental water sampling

Environmental water sampling

✅ Chlorine

The HI98108 features a unique reference cell design with a cloth junction that provides a larger surface area than standard ceramic junctions

Easy to Use: Simple tear-and-pour packets work seamlessly with MW12 Low Range Phosphate Photometer for fast testing

and releases these minerals slowly into water through ion exchange

Bluelab pH 4.0 Calibration Solution – 250 ml / 8.4 fl oz ice maker scale prevention Environmental water samplingpH 4. 0 calibration solution a must in every grower's toolbox Contains 1 bottle 250 ml 8. 4 fl oz Boost your pH products longevity with regular cleaning and calibration Bluelab pH 4. 0 Calibration Solution ensures accurate pH meter readings with lab grade precision. This 250 ml bottle delivers consistent calibration for refractometers, pH meters, and water quality testing equipment. Essential for maintaining measurement accuracy in hydroponic systems,