BioGuard 3" Silk Tabs (25 Lb.), CHEBL52213
BioGuard 3" Chlorinating Tablets with their blue slow-dissolving tablets are long-lasting for steady release of free chlorine residual. Silk tabs won’t cloud water and are excellent for use in skimmers, automatic feeders and most floaters. Silk tabs also contain SunShield® technology, protecting chlorine from sunlight.