Pool Closing Chemicals are a necessity when you're winterizing for the off-season. Family Leisure has been in the pool success business for decades. We love to see your water crystal clear and all of this is possible with regimented attention. Before you gear up for ending the swimming season (when you can forget about your water for a little while), you must give it one last blast of chemicals. We carry the best manufacturers and all of the top selling products. And we carry all different kinds, like single winter pills for, packaged kits for winterizing, shock packs and more. Winter Pool Supplies on Sale and with Free Shipping online.