Pooltec is the most effective winterizer and is your best defense against algae growth and lost water balance. Only with Pooltec is a clear spring opening possible when using a mesh safety cover.
This kit is formulated to be used in a vinyl-lined pool and will treat up to 10,000gallons.
1 Pooltec Winter Treat
1 Winter Stain and Scale Treatment
1 Gallon of Liquid Shock