Backpack Lab™ Water Quality test kit; acidity (CaCO3), alkalinity (CaCO3) phenolphthalein & total, carbon dioxide (as CO2), dissolved oxygen, hardness (CaCO3), nitrate (NO3-N), phosphate (orthophosphate PO4-3)
Backpack Lab™ Water Quality test kit; acidity (CaCO3), alkalinity (CaCO3) phenolphthalein & total, carbon dioxide (as CO2), dissolved oxygen, hardness (CaCO3), nitrate (NO3-N), phosphate (orthophosphate PO4-3)