Pool chlorine tablets come in 2.5 cm and 7.5 cm (1 inch and 3 inch) sizes and dissolve very slowly if properly used in a swimming pool. Typically, a 7.5 cm (3 inch) pool chlorine tablet is designed to ...

Fortunately, chlorine tablets can last a pretty long time (between 3 and 5 years!) if stored properly. Ideally, chlorine tablets should be placed in a bucket (many come packaged in one) or another ...