BioGuard Smart SilkGuard Sticks (4 lb) (2 Pack) (Packaging May Vary)

Silk Smart Sticks, BioGuards preferred chlorinating product, in your skimmer last nearly twice as long as ordinary chlorinating sticks or tablets. You will benefit from the SilkGuard while enjoying the long life and easy skimmer application of Silk Smart Sticks. Your swimming pool water will have a softer feel and brilliant sparkling water. Silk Smart Sticks contain SunShield technology, protecting chlorine from sunlight. Product Information: 93.9% trichloro-s-triazinetrione pH 3.5 Kills bacteria and alge For once a week skimmer application