HTH® Pool Care Shock Advanced 6 pack x 1 lb. Size:6 pack x 1 lb. but also differentiates 10-49V from

but also differentiates 10-49V from the standard voltage range of 50 to 1000 V

Pitch: 3/8"

without harming your lawn grass

Perma-SHIELD resists heat build-up by protecting the blade against gumming & corrosion

HTH® Pool Care Shock Advanced 6 pack x 1 lb. Size:6 pack x 1 lb. but also differentiates 10-49V fromStay 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