Chlorine
How to test pool water: methods, timing and best kits
Test pool pH and chlorine at least 2 to 3 times per week. Use test strips for daily checks, a digital tester or DPD kit for accurate measurements. Always test in the morning before swimming.
Read morePool chlorine: how much, when and how to add it
The ideal free chlorine level for a pool is 1.0 to 3.0 mg/l. Use slow-dissolving 200g tablets in a floating dispenser or the skimmer. Never throw tablets directly onto the pool surface.
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