This course will cover Reverse Osmosis and Electro-dialysis for water treatment systems. RO and EDR are modern technologies that are on the rise throughout the United States for treating many different water quality issues. Topics covered in this course will include: basic RO and EDR principles – how and why RO and EDR are effective ways to treat drinking water, troubleshooting and maintenance – common problems and how to address them, finished water quality – how to ensure that your drinking water doesn’t become corrosive.