How much seeding is needed? Nortek Support June 21, 2019 21:27 Updated Follow We recommend having a seeding concentration of 20–30 mg/L. Related articles What do the Error and Status codes mean? The Comprehensive Manual - Velocimeters What should expect to find in the Nortek Support Center How do I enhance Correlation and SNR? What does the accuracy specification mean? Comments 0 comments Please sign in to leave a comment.