Pool Water Chemistry
Master pH, chlorine, alkalinity, CYA, and hardness. The single most important skill for clear, safe water.
18 pillars · 109+ guides covering water chemistry, cleaning, troubleshooting, equipment, hydraulics, filtration engineering, disinfection theory, RWI prevention, commercial operations, and compliance. Written by our CPO-certified team. No email gates. No fluff.
Master pH, chlorine, alkalinity, CYA, and hardness. The single most important skill for clear, safe water.
Skim, brush, vacuum, and service your filter. A disciplined weekly routine prevents 90% of pool problems.
Cloudy water, algae, stains, foaming — every problem has a cause. Here's how pros diagnose and fix them.
Understand what every piece of your equipment pad does — and how to get more years out of it.
Florida pool safety standards, VGB drain covers, fencing code, and the emergency response every operator should know.
Hurricane prep, year-round operation, hard water, screen enclosures, and the challenges unique to Florida.
Spas are not small pools. Higher temps, smaller volume, higher bather load — different rules.
CPO certification, tools of the trade, route building, and Florida licensing for pool techs.
Pool volume, chemical dosage, and breakpoint math. The numbers behind every safe, correctly-dosed pool.
The HOCl vs. OCl equilibrium, CT values, and disinfection by-products. The science every CPO-level operator needs to know.
Cryptosporidium, fecal incident response, and the RWIs that close pools. The CDC-compliant playbook.
Turnover rate, total dynamic head, cavitation, suction entrapment, and the physics of making water move through a pool.
Filter media rate, micron ratings, sand vs. cartridge vs. DE, and what filters can and can't actually remove.
Chemical feeders, ORP/pH controllers, pool heating, indoor air quality, and the electrical safety every commercial operator needs.
The MAHC, ANSI/APSP/ICC standards, ADA accessibility, and the federal alphabet soup of pool regulation.
Every Florida pool license explained in plain English — what each one lets you do, how to get it step-by-step, and which counties make it harder.
New plaster has a 30-day chemistry window. Do it right and the surface lasts 15–20 years. Do it wrong and you're looking at etching, scaling, and a warranty void.
Required daily logs, incident reporting, operator duty of care, and the documentation that defends you in court.
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