Pool Chemistry and Maintenance From a CPO
Nadia Caldwell · July 15, 2026
It’s July in Scottsdale. You went to bed last night with a crystal-clear pool, and you woke up to what looks like a swamp. I’ve been there—actually, I’ve managed enough resort and HOA pools across the Southwest to tell you that this scenario plays out almost weekly during monsoon season. The worst part? That panic … Read more
Nadia Caldwell · July 14, 2026
A resort property contacted me in distress last summer after their maintenance team had shocked the water three separate times within fourteen days. They’d scrubbed surfaces, run extended backwash cycles, and introduced algaecide in quantities that seemed excessive even for a serious bloom. The greenish cast remained stubbornly present. Recognizing this pattern? When your algae … Read more
Nadia Caldwell · July 11, 2026
That resort manager in Scottsdale called me in a full panic last summer. Her 25,000-gallon pool had transformed into something resembling swamp water between sunset and sunrise — and the first wave of guests arrived at noon. I asked three straightforward diagnostic questions, pinpointed the issue in under 120 seconds, and guided her through a … Read more
Nadia Caldwell · June 27, 2026
Over my fifteen-plus-year career managing aquatic facilities across the Southwest — from resort complexes to municipal centers to residential HOA communities — the distress call that lands most often in my inbox follows the same script: “Nadia, I shocked the pool last night the way I always do, and by morning the entire floor and … Read more
Nadia Caldwell · June 24, 2026
Late April arrives, you pull the winter cover back, and what greets you resembles pond water thick enough to stand a brush in. The pool you winterized in November with flawless water balance has transformed into a brackish, opaque mess, and now you’re calculating whether to surrender $800 to a professional crew. What I use … Read more
Nadia Caldwell · June 22, 2026
The waterline sits where it always has — except it doesn’t. You notice it while testing pH near the skimmer, or maybe you catch it when you’re adjusting the chlorinator. The mark on the tile, the one you’d swear was higher last week, keeps creeping downward. In all my years directing water chemistry across resort … Read more