Colorimeters are often used in the field because they produce more accurate readings than titration or color matching. They are also often used in accounts that require higher precision because of the higher risk. Improper disposal can result in higher non-conformance costs (equipment failure or higher energy costs), wasting chemicals. But does the device alone guarantee accurate test results, or are there more factors in play? In this article, we will introduce three important points and you should keep in mind.