HTH® Pool Care Shock Advanced 12 pack x 1 lb. Size:12 pack x 1 lb. The durability & high performance

The durability & high performance of the newly designed Fernco StormDrain Plus ensures a long lasting

Carbon construction

Quickly swap or clean filters with the easy access quarter-turn design

and sodium bulbs

HTH® Pool Care Shock Advanced 12 pack x 1 lb. Size:12 pack x 1 lb. The durability & high performanceStay all clear for cannonballs! This fast dissolving, convenient 4 in 1 formula kills bacteria and algae, reduces chlorine odor and irritation and quickly restores crystal clarity. Multi functional shock treatment for weekly use Use weekly to solve 90% of pool water problems Restores crystal clarity in 24 hours Visibly brilliant sparkle This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine