Rope Adjusts, Cable Holds: The nylon rope moves smoothly through the pulley for easier positioning and adjustment, while the low-stretch steel cable helps maintain firmer perimeter tension. Because nylon rope may gradually stretch under continuous pressure, the added cable helps reduce loosening and provides...

SET YOUR POOL UP FOR AN EASY COMEBACK - Add this before winter hits and breeze past spring cleanup. No surprises, no scrubbing—just a pool that’s primed and waiting when it’s swim time again. EFFECTIVE & SAFE - Count on our high-performance pool solution...

8-Month Slow Release Design: Operates steadily for up to six months, helping keep your pool in good shape all winter long. For best results, add a second ball after three months Covers Up to 30,000 Gallons: One ball effectively covers pools up to 30,000...