Guides
Desert pool guide: chemistry in Arizona and Nevada
This desert pool guide covers Arizona and Nevada pool chemistry: evaporation leaves minerals behind, so hardness and cyanuric acid climb, and scale forms.
Topic
pool guide
Guides
How PHTA and ANSI/PHTA-11 water quality standards apply to route work
ANSI/PHTA-11 sets the water quality baselines public pools are inspected against, and route techs log the chemical readings that prove compliance.