Swimming Pool and Spa water maintenance is a science. That’s why you should take the time to research what your local climate means to your pool and/or spa. Shady -vs- Sunny, Humid -vs- Arid/Dry, frequent rain all play a part in the upkeep of your water. Always test your water weekly and always follow directions as specified on the product container.
Factors in Water Treatment:
Physical Factors (filtration and circulation)
Chemical Factors (Scale and corrosion control)
Biological Factors (disinfection and algae control)