HTH® Pool Care Shock Ultra Size:1 lb Charcoal aluminum screen is coated

Charcoal aluminum screen is coated with a rich charcoal finish in Phifer's electrodeposition paint system

amylase  200 BAU/lb

Small case with adjustable belt clip and easy-to-use sliding latch design to keep case securely closed when not in use

Tape measure with thick blade width for more durability

HTH® Pool Care Shock Ultra Size:1 lb Charcoal aluminum screen is coatedUse this all in one powerhouse to quickly and easily increase chlorine levels, prevent bacteria, algae, stain and scale, reduce skin and eye irritation, improve filtration and soften your swimming pool water. All in 1 weekly Cal Hypo pool shock Use weekly to solve 90% of pool water problems Restores crystal clarity in 24 hours How to use HTH Shock Advanced 1. Add Directly To Water Or Skimmer Follow the on pack instructions according to your swimming