Winterizing Plug For Aqualuminator Light criteo-exclude Pool Check Copper 3in1 is

Pool Check Copper 3in1 is the world's first test strip designed to measure Copper sanitizer levels used in alternative sanitizing systems (for both liquid and granule copper sulfate pentahydrate and ionizing systems)

The Filter Fiber Stuff significantly extends filter life providing great value

avoiding adding any other unnecessary chemicals into your pool water

Swimline's unibead liners are made to last

but will save you money by reducing the amount of chlorine you will need to purchase to keep your pool healthy

Winterizing Plug For Aqualuminator Light criteo-exclude Pool Check Copper 3in1 isThis is a special sized expandable plug that is used for the Pentair Aqualuminator Aboveground pool light. Specially made for a perfect fit, this expansion plug fits the Aqualuminator Light. Also fits the Darkbuster and Quasar above ground lights. This Aqualuminator plug will eliminate water loss through the wall light fitting during winter season. Easily remove the bulb from the housing and insert this expansion plug.