[amazon_link asins=’B00PZZFBUO’ template=’ProductAd’ store=’maxwells10-20′ marketplace=’US’ link_id=’92d848b8-e149-43a0-a092-190b1240e979′]Clorox Pool&Spa active 99 tablets are individually wrapped tablets to sanitize water for a clean, clear pool. Uv protection technology makes for a longer lasting clean. Everything you need in 1 individually wrapped tablet. Prevents algae and kills bacteria. Frequency of use: twice per week. Use in skimmer, feeder or floater.