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 20,000gallons.
2 Pooltec Winter Treat
1 Winter Stain and Scale Treatment
2 Gallon of Liquid Shock