Pool care guides

FC levels, chlorine that won't hold, combined chlorine, and the FC/CYA relationship.

• FC/CYA Chart: How Much Chlorine You Need
• Why Won't Chlorine Stay in My Pool?
• Pool Chlorine Levels Chart

Why it goes hazy, how to clear it fast, and what to do when shocking makes it worse.

• Why Is My Pool Water Cloudy?
• How to Clear a Cloudy Pool Fast (24-Hour Plan)
• Why Is My Pool Cloudy After Shocking?

Overnight algae blooms and green water despite high chlorine — two very different problems.

• Pool Turned Green Overnight? Emergency Triage
• Pool Water Green but Chlorine Is High?

Ideal pH targets, how to lower it safely, and why it keeps creeping back up.

• What Is the Ideal Pool pH Level?
• Pool pH Too High? Here's How to Fix It
• Pool pH Keeps Rising? Why & How to Stop It

Lowering TA without wrecking pH, muriatic acid dosing, and how alkalinity buffers your water.

• Pool Alkalinity vs pH: What's the Difference?
• How to Lower Alkalinity (Without Wrecking pH)
• How Much Muriatic Acid to Add to a Pool

Scale on tile, flakes from returns, corrosive water, and calcium targets by pool type.

• Pool Calcium Hardness: What It Is and How to Fix It
• Pool Scale and Calcium Deposits: Causes and Removal
• Corrosive Pool Water: Warning Signs and How to Fix It

What the Langelier Saturation Index is, why calculators disagree, and how rain and CYA shift it.

• Why LSI Is the Pool Chemistry Number Most Owners Ignore
• Why Two LSI Calculators Can Give Different Answers
• LSI by Pool Surface Type: Plaster, Vinyl, and Fiberglass

When to test, how to get an accurate sample, strips vs liquid kits, and how often to test.

• How to Test Pool Water at Home: Step-by-Step
• Test Strips vs Liquid Test Kits
• Best Time of Day to Test Pool Water

Balancing chemistry, choosing chemicals, tracking readings over time, and managing heat waves.

• How to Balance Pool Water in 4 Steps
• Why You Should Track Pool Chemistry Over Time
• What Chemicals Do I Need for a Pool?

Hard fill water, calcium creep, intense evaporation, and year-round pool care in hot climates.

• Desert Pool Chemistry: The Complete Guide
• Calcium Creep Explained
• When to Drain a Desert Pool

Opening your pool for the season, the right chemical order, and what every pool owner should know.

• Opening Your Pool for Summer: Chemical Checklist
• Pool Startup Chemicals Checklist: Everything You Need
• Pool Chemistry Cheat Sheet: Every Number You Need