The Good Stuff
Good Stuff is a scientifically blended formula that serves as a hard surface cleaner that removes mildew, mold, algae, oil scum, oxidation, rust, brine, soap build-up, hard water deposits, stains, minerals, grease, body oils, caked on deposits, and other discolorations on all types of glazed and non-glazed ceramic tile and grouting. Unique brightening agents and color enhancers help bring back the luster. The specially formulated silanes not only help restore the shine to the finish, and form an invisible protective barrier which can help stop re-contamination of the restored area to help ensure future cleaning is kept simple and easy.
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This is a close-up of before and after of bathroom glass blocks that were cleaned using The Good Stuff.
This before and after was done by a Homeowner with no professional background in cleaning or this product.