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Loveland, CO - Hach Company's newly published BOD (Biochemical Oxygen Demand) Guide shares easy-to-implement testing advice and recommends time-saving products for total confidence in BOD analysis. This free poster offers techniques to simplify the 5-day BOD test including suggestions for sampling, measurement and tracking, blank and sample preparation, and convenient lab supplies. Most importantly, one entire side is devoted to tips for eradicating high BOD5 blanks for better BOD results.

"Inferior quality water, poorly cleaned bottles, and imprecise or inaccurate dissolved oxygen measurement can individually, and especially in tandem, lead to high BOD blanks," said Chris Fair, Research and Development Chemist. "Focusing on these three areas (clean water, bottles, and improved oxygen measurement) can virtually assure the elimination of blank failures in the BOD test."

To receive a free BOD poster, visit www.hach.com/BODPoster and complete the on-line request form.

SOURCE: Hach Company