ProTeam 3 Inch Pure Tabs are an easy and effective way to add chlorine to your pool, avoiding the need for daily hand feeding of granules. Each chlorine tablet slowly dissolves to give you pool a more even distribution of chlorine protection, and are made without any gums or binders to prevent feeder clogging. Best of all, 3 Inch Pure Tabs are made right here in the USA to ensure the highest possible quality.