Pool and Spa Maintenance Made Easy. Pool Calculator provides the necessary tools and pool maintenance info you need to keep your swimming pool & hot tub water clear and balanced. USE CALCULATOR Maintenance Chemistry Equipment Troubleshoot Salt Pools Hot Tubs Product Guide Download the App! Learn about caring for your pool or hot tub Maintenance Chemistry Troubleshooting Equipment Salt Pools Hot Tubs Product Guide How to Clean and Maintain Your Swimming Pool or Hot Tub Search Maintenance Chemistry Equipment Troubleshoot Salt Pools Hot Tubs Product Guide The Relationship Between pH and Total Alkalinity Read More » How to Test your Swimming Pool Water Read More » What Should pH levels be in Swimming Pools and Hot Tubs? Read More » Choosing the right Swimming Pool Stabilizer Read More » How to Test, Raise, and Lower Cyanuric Acid Read More » What is the right Cyanuric Acid Level for Swimming Pools and Hot Tubs? Read More » What is Cyanuric Acid? Read More » How to Winterize an Above Ground Swimming Pool Read More » What Should Chlorine Levels Be in Swimming Pools and Hot Tubs? Read More » « Previous Next » Top Posts The Pros and Cons of Pool Sanitation Systems – Chlorine, Saltwater, Ozone, and UV Read More » Free Chlorine vs Total Chlorine – What’s the Difference? Read More » UV Pool Sanitation Systems – Pool Technology Read More » Using the Calcium Saturation Index to Calculate Your Pool’s Health Read More » « Previous Next »