Detailed Product Specifications
Pumice and polypropylene
1-1/2" sq. x 9-1/4"H, each
Heavy Duty Scouring Stones
We have well water and it's heavy with the minerals. These tend to make a calcium ring right at the water line in the toilet bowl. I thought I'd never find anything that could chisel the build up off, but the Heavy Duty Scouring Stones worked like a charm!!