PRISTIVA DELUXE SALT POOL CLOSIT KIT ( BIG )

This Winter Closing Kit features everything you need to deep-clean your pool water and surfaces: Prep Cleanse removes phosphates and breaks down organic matter; Primer defends against staining, scale, and corrosion; and Premium Shock elevates sanitizer levels while preventing the build-up of chloramines, nutrients, and organic matter that could lead to algae blooms and cloudy water.