Description
Water hardness calibration solution set, 100ml / bottle each
- B1 calibration solution 2.00 × 10-2 mmol / l
- B2 calibration solution 2.00 × 10-1 mmol / l
- B3 calibration solution 2.00 mmol / l
- Made with ACS grade chemicals
- Suitable for calibrating the Apera YD300 portable water hardness meter
