Pool Chemistry

Water balance fundamentals, CYA-chlorine relationship, pH management, and alkalinity adjustments.

5 articles

Aerial view of a clear turquoise swimming pool with sunlit rippling water and loungers at the edge
Pool Chemistry

How to Raise Alkalinity in a Pool

Add 1.5 lbs of baking soda per 10,000 gallons to raise pool alkalinity by 10 ppm. Step-by-step dosing guide with exact amounts and wait times.

12 min read
Perfectly symmetrical overhead shot of a rectangular swimming pool with still turquoise water
Pool Chemistry

Pool pH: How to Lower It, Raise It, and Keep It Balanced

To lower pool pH, add 12–16 oz of muriatic acid per 10,000 gallons to drop from 7.8 to 7.4. To raise it, add 6 oz of soda ash. The real fix for drifting pH is getting alkalinity right.

16 min read
Swimming pool at dusk with glowing underwater lights and a white bucket on the deck
Pool Chemistry

Pool Shock Treatment: When, How, and How Much

Shock your pool when chlorine demand exceeds normal dosing — not weekly. Learn the triggers, choose the right shock type, and calculate exact amounts by pool size and CYA level.

12 min read
Aerial view of a swimming pool split diagonally by shadow showing sun and shade contrast
Pool Chemistry

CYA and Chlorine: Why Your Pool Store Gets It Wrong

CYA protects chlorine from sunlight but also reduces its killing power. Learn how the CYA-chlorine ratio works and why generic chlorine targets are dangerous.

9 min read
Aerial view of a pool corner with colorful reagent bottles on amber coping stones
Pool Chemistry

Pool Chemical Calculator Guide: The 5 Numbers That Matter

A complete guide to pool water chemistry. Learn the 5 key parameters every pool owner must understand — FC, pH, TA, CH, and CYA — and how they interact.

10 min read
© 2026 Poolably. All rights reserved.