You must learn to test and balance pool chemicals in order to kill bacteria and have clear water. Use the HydroTools 4-in-1 Test Kit for accurate results.
You need to know how to accurately test your pool water so that it stays clean and clear. It is not a difficult process and will take only a few minutes of your time.
There are many different above ground pool test kits available. This guide will help you distinguish between them and find out which one is right for you.