This is Leslie's poly 60. They cleared their warehouses of the pooltrine brand.

http://www.lesliespool.com/shopping/...ProductID=8110

Lowe's carried poly 60 under the Aqua Chem brand name. Active ingredient should read "60% Poly (oxyethylene [dimethyliminio] ethylene [dimethyliminio] ethylene dichloride, and 40% other ingredients"