We are selling our vintage kitchen in the home we just purchased. Below you will find the details on the kitchen. We have found the original blender that attaches to the counter blender hookup. This cabinet set is in pristine condition, but will need some restoration (they were installed in 1953). A set like this is ...

Although I clean my kitchen floor daily, sometimes with Clorox Cleanup & sometimes using white vinegar & water, over the years, the grout has turned black. How do I get it back to it's original light beige color?