Why should you get your CPO Certification? A CPO Certification is more than a basic Chemistry certification it covers everything a pool technician would need to know to become truly qualified and the information you would need on a daily basis. Your CPO Certification is the most recognized and highly regarded certificate in the pool industry. In this certification course we will cover everything from pool and spa management to renovation and design. Learn the basics like essential calculations, pool and water contamination, water balance, water circulation, water filtration and heating, troubleshooting, record keeping and much more.