TOTAL HARDNESS TEST KIT (VISOCOLOR® ECO TOTAL HARDNESS) *This item is hazardous and cannot ship Parcel Post. It is required to ship UPS Ground*

Pack Size: 1 kit (~110 tests)
Hazard Class /UN Number: 3316
Storage Temp: Room Temperature

Environmental test kit for Hardness Gradation of scale: 1 - 20/d & higher/ 1 drop corresponds to1d Instruction Sheet