SKRUB is still being beta tested and will be out at the end of October 2014. It is a synthetic microcrystalline amorphous silica suspended in a pure vegetable based glycerin carrier. It has the consistency of hot honey. Is a light brown color. And goes quickly into any cleaning solution you might like. It doesn't matter if you use GG3, GG4, Ecover, Dawn, Sansco, EBC, or even TSP or synthetic TSP. This is a micro-abrasive assist/additive. The little SKRUB particles are just a little bit smaller than the micro-pores of a glass surface. So they fit down in there real nice and rough out all residue. It only takes about a half ounce per two or three gallons of cleaning solution. And goes in real quick. You will have to keep on agitating with your applicator/wand as you wet. Since the silica tends to settle to the bottom of your bucket. But it comes back up in solution easily. When you wet the window you should be able to feel the wetting wand drag just a little. You will also notice the water becomes somewhat brown or white. Also make sure your squeegee rubber is nice and sharp since it is kind of like working with dirty water. Any nick in the rubber edge will leave a line which will become very noticeable. Also edge streaking can be a problem more so with SKRUB. But only if there is a problem with your blade. You will also notice a slight drag on your rubber as you work.
Since I use all of the products I develop and market I can write from my own experience. In fact this will always be the case. I only use SKRUB on those storefronts that have a lot of fingerprints or other greasy shmears. It allows me to use very mild synthetic detergents like cocamidopropyl betaine or lauramine oxide and still knock fingerprints off in seconds.
SKRUB is also a great product to use for removing different stains from glass. Sometimes I will mix one part SKRUB to three parts water for a totally green screen stain remover. It can also be used at the same concentration for removing light hard water spots 'by hand' from glass. However you should never use it on solar (mylar) film, or plexiglass or lexan. It is only for glass surfaces.
Written by Henry Grover Jr.
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