All
CPO Certification
Testing, Balancing & Chemicals
CPO Pool tech in safety goggles and gloves pouring Calcium Chloride into a bucket beside a swimming pool adjusting calcium levels.

August 11th, 2026

How to Balance Calcium Hardness In Commercial Pools

Testing, Balancing & Chemicals
Pool technician holding a PHTA CPO certification beside laptop showing course complete screen near swimming pool.

July 7th, 2026

Who Needs a PHTA CPO Certification?

CPO Certification
Man kneeling by pool adding sodium bicarbonate to raise alkalinity, holding measuring cup, wearing safety goggles.

June 30th, 2026

How to Balance Total Alkalinity In Commercial Pools

Testing, Balancing & Chemicals
Illustration of a man pouring sodium hypochlorite into a swimming pool while wearing safety goggles and gloves.

June 17th, 2026

How To Balance Chlorine Levels In Commercial Pools

Testing, Balancing & Chemicals
Pool technician kneeling by swimming pool testing water chemistry with pH test kit.

June 17th, 2026

How To Balance pH In Commercial Pools

Testing, Balancing & Chemicals