Jack's Magic The Blue Stuff Stain & Scale Preventer For Swimming Pools – 32 Oz, Made In USA

This is a brand new bottle of Jack's Magic The Blue Stuff, part number JMBLUE032.

It's a liquid treatment that helps prevent stains and scale in your swimming pool.

Works with fresh water only, and it comes with full instructions so you know exactly how to use it.

Made right here in the United States.

If you're tired of scrubbing stains off the walls or dealing with crusty scale, this stuff makes maintenance a whole lot easier.

Just add it to your pool and let it do its thing.

UPC is 734040538710.