BOD Nutrient Buffer Pillows, concentrate to make 300 mL, 50/pk

BOD Reagents for Hach Method 10360, USEPA approved for BOD5 and cBOD5. Refer to USEPA 40CFR Part 136.3.
For preparation of BOD5 dilution water. Each pillow combines buffer and
nutrients to prepare 300 mL of dilution water. Pack of 50 pillows.