Hot Tub & Spa Care
Hot Tub Foam: Common Causes and How to Clear It Safely
Trace persistent hot-tub foam to contaminants or water-care problems, test first, and understand when defoamer, cleaning or a manufacturer-directed water…
Guides
Practical pool and spa care guides from PoolSpaKit.
Water Chemistry
Pool Water Testing Guide: Chlorine, pH, Alkalinity, CYA, and Calcium Explained
Understand the five core pool-water readings, collect a representative sample, recognize misleading results and use labels and pool-specific targets before…
Pool Care
How to Winterize an Above-Ground Pool: Step-by-Step Checklist
A model-aware winter closing checklist covering water preparation, equipment drainage, skimmer protection and cover checks, without a universal draining depth…
Hot Tub & Spa Care
Hot Tub Water Care in Winter: How to Keep Water Clear and Safe
A winter spa-care routine for water testing, circulation, covers and freeze protection, with practical vacation and power-outage decisions.
Water Chemistry
Pool Closing Chemicals: What You Actually Need Before Winter
Separate essential water preparation from optional winter products, and choose a closing program using test results, compatibility and the actual…
Troubleshooting
Cloudy Pool Water: Causes, Tests, and the Right Fix for Each One
Use symptoms, water tests and equipment checks to distinguish cloudy-water causes and choose a targeted fix instead of automatically adding…
Pumps
Pool Pump Sizing: How to Choose the Right Flow Rate for Your Pool
Choose circulation-pump capacity by matching required flow to filter limits, plumbing resistance, equipment needs and pump curves, with a clearly…