In The Swim - Sanitize & Shock Bundle - 3 Inch Chlorine Tablets 25 lbs. and Super Pool Shock 12 x 1 lb. Bags

How many 3" chlorine tablets should I use in my pool?
On average, most pools use about one 3 inch tablet for every 5,000 gallons of pool water, replaced every 5-7 days. For example, a 20,000 gallon swimming pool may consume four 3 inch tablets per week. Keep in mind that water temperature, pool usage, water chemistry, and weather conditions can affect this amount.

How long does a 3" chlorine tablet last?
A 3 inch pool chlorine tablet usually takes 5 to 7 days to dissolve. This dissolving time can change based on water temperature, how fast the water is moving, and where the tablet is located. The tablet will dissolve faster in warmer water and with more water movement.

Can I put chlorine tablets directly in my pool?
It’s not recommended to place chlorine tablets directly in the water, as they can stain or damage pool surfaces and equipment. Always use a chlorine floater or automatic chemical feeder for controlled and convenient distribution.

Does pool chlorine affect pH levels?
Yes, stabilized chlorine tablets are acidic and may gradually lower pH over time. Regular water testing will help ensure balanced pool water chemistry. Chlorine is most effective when the pH level is between 7.2 - 7.8 ppm (parts per million).

Are 3 inch chlorine tablets safe for all pool types?
Yes, stabilized chlorine tablets are generally considered safe for concrete, vinyl and fiberglass pools, but it’s important to use them correctly to avoid damage to liners or equipment.

What is the proper chlorine level for a swimming pool?
The recommended range for a safe chlorine level is generally between 1.0 to 3.0 parts per million.