HTH™ Pool Care Shock Advanced

HTH™ Shock Advanced pool shock helps you take on cloudy, unbalanced water with confidence. This powerful 4-in-1 swimming pool shock treatment kills bacteria, prevents algae, reduce s chlorine odor, and restores clarity fast. With Cal Hypo technology, it delivers a sparkling clean pool without adding cyanuric acid, so you can enjoy a healthy, inviting swim all season long. For best results, shock weekly with HTH™ Shock Advanced. HTH™ is here to help giving you the confidence to keep your water clear, safe, and always swim ready. You're all clear with HTH™. Show more