Camco 1 Gallon Non-Toxic Antifreeze for Swimming Pools

Camco Swimming Pool Antifreeze protects your pool's plumbing lines from winter temperatures as low as -50 degrees Fahrenheit. When closing your pool, simply pour the proper amount of antifreeze in your plumbing for winter protection you can trust. For 1" Pipe Use 1/2 Gal Per 10'. For 1.25" Pipe Use 3/4 Gal Per 10'. For 1.5" Pipe Use 1 Gal Per 10'. For 2" Pipe Use 1.75 Gal Per 10'.