Starting at $12.50

Not in stock. Usually ships in 3-4 weeks [?]

Need Help? Call 1-800-884-4967 8:00am to 5:30pm ET


  • Rochelle Salt, liquid reagent
  • 30 ml or 500 ml
  • Number of tests varies with hardness concentration
  • Used with LR Manganese if sample has 300 mg/L CaCO3 hardness

This product is an accessory for the following products:

YSI pHotoFlex Colorimeter
Portable Colorimeters for lab and field, calibration adjustment for selected methods, multiparameters