Online College Courses for Credit

Dissolved Oxygen Testing With a Hach Kit

Dissolved Oxygen Testing With a Hach Kit

Author: Dave Johnson

Learn how to use a Hach Kit to test for the amount of dissolved oxygen in stream water

See More
Fast, Free College Credit

Developing Effective Teams

Let's Ride
*No strings attached. This college course is 100% free and is worth 1 semester credit.

29 Sophia partners guarantee credit transfer.

312 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


Dissolved Oxygen Testing with a Hach Kit

A video describing how to test for dissolved oxygen in stream water with the Hach Kit

Dissolved Oxygen Fact Sheet

A good source of information on dissolved oxygen and percent saturation