BOD Nutrient Buffer Pillows, 3 mL concentrate to make 3L, 50/pk

BOD Reagents for Hach Method 10360, USEPA approved for BOD5 and cBOD5. Refer to USEPA 40CFR Part 136.3.
For preparation of BOD 5 dilution water. Each 3 mL pillow combines buffer and nutrients to prepare 3 liters of dilution water. Pack of 50 pillows.