If the filters aren't properly rinsed, they can produce cloudy water for weeks after installation. This is due to air and loose carbon being flushed through the system. If a customer is experiencing this, don't worry, it's an easy fix.
For our instructions on how to change filters properly, see our Replacing your Drinking Water Filters article.
In the future, it's crucial to follow the purging process after installing new filters otherwise this discoloration will occur each time.