Quote:
Originally Posted by harrywitmore
If the glass has been etched by the scale then there's not much you can do. I suspect that is the problem.
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That's not completely true. It just means that you have a bit more work to do.
I read about
Turtle Wax "Heavy Duty Rubbing Compound" on this aquarium site.
Turtle Wax "Heavy Duty Rubbing Compound is a product that is designed not to leave any residue. It is designed to abrade and remove layers of dirt, oxidation and paint from a finish and it is used to prep surfaces for paint. It is a non-petroleum water based carrier with suspended super fine silica and volcanic ash. It is designed to remove dirt, minerals, oxidation and not leave a residue which might interfere with the bonding of paint. The reason why it doesn't scratch the glass is because the super fine abrasives of silica & Volcanic ash are supposed to be the exact same hardness as glass, which is a 6 on the hardness scale. So the end result is it will buff away only the softer materials like dirt, calcium and magnesium being removed. As it gets down to the glass the sharp micro surfaces just smooths and polishes the surface.
if you actually have scratches in the glass or if the surface is etched then you need to remove some of the glass to remove the flaws. There are other products that you can use to do this. I removed scratches in several tanks using a car buffing machine along with different grades of automotive buffing compounds. These have different gradients or sizes of diamond dust which are used to polish glass and automotive paints to a shiny non-scratch finish.
