Swimming Pool Chemistry Simplified — An 8-Part Series
At Cactus Pool Designs, we know that a beautiful swimming pool is only as good as the water in it. This week, we’re rolling out a 8-part series to help you take control of your pool chemistry with clear, practical information you can trust—no guesswork, no fluff.
Each post breaks down a core concept of water care, so by the end of the series, you’ll not only understand what’s happening in your pool—you’ll know exactly how to manage it.
Here’s what we’ll cover each day:
Day 1: The Ultimate Guide to Pool Chemistry
- The essential chemical levels every pool owner should monitor
- Why “balanced water” isn’t just about chlorine and pH
- Understanding how all factors work together (and what happens when they don’t)
- Basic troubleshooting tips for cloudy water, algae, and surface problems
Day 2: Why pH and Alkalinity Matter More Than You Think
- The true role of pH and total alkalinity
- How they affect water comfort, surface protection, and sanitizer performance
- Safe ways to correct imbalances—without the yo-yo effect
Day 3: Shocking the Pool – When, Why, and How
- What shocking really means (and when you need it)
- How chlorine works and why breakpoint chlorination matters
- How to shock saltwater pools safely
- Avoiding damage to plaster, equipment, and swimmers
Day 4: Calcium Hardness and Protecting Your Plaster
- Why calcium hardness is critical for gunite and plaster pools
- What causes etching or scaling and how to prevent it
- How to test, adjust, and maintain the right levels—especially in soft water areas
Day 5: How Rain, Sun, and Temperature Affect Water Chemistry
- Why Texas weather can wreak havoc on your water balance
- How sunlight destroys chlorine, and what to do about it
- What to check after a heavy storm
- How heat and water temperature change chlorine demand
Day 6 (Bonus): Saltwater Pool Chemistry – What’s Different?
- How salt systems sanitize water
- Common salt system misconceptions
- What still needs to be balanced (and how salt changes your approach)
- Salt cell care and how to avoid early failure
Day 7: Weekly Wrap-Up – Routine Pool Maintenance Done Right
- What a weekly water care checklist should include
- Smart habits that save time, money, and prevent costly repairs
- How to spot small problems before they grow
Day 8: Understanding LSI – The Key to Long-Term Pool Health
- What the Langelier Saturation Index (LSI) really measures
- How LSI helps you balance water for both plaster protection and clarity
- How to use LSI to troubleshoot and prevent scaling or etching
- Why LSI is more important than chasing ideal numbers in isolation
Each post will be published daily, right here on the Cactus Pool Designs Blog. Bookmark this page, follow along, and take control of your pool water like a pro.
Need help or want us to handle your weekly chemistry for you? Just reach out.

