Steel Wool Comes in 8 Different GradesHere's How to Use Each One
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Grade 2: Medium Coarse
If you’re looking to buff your floors, grade 2 steel wool is for you! The somewhat heavy wool is great for getting the grime off, such as wax or scuff marks. Additionally, if your home has any glass block features, medium coarse steel wool can be used to clean those too.
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Grade 3: Course
Grade 3 steel wool is a heavy hitter. Only whip out this course wool for rough metal or stone surfaces. If used on anything softer, it runs the risk of scratching your valuables. Grade 3 wool is especially useful for removing rust.
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Grade 4: Extra Coarse
Extra coarse steel wool is designed for the most hardcore jobs. Use this hearty wool for sanding off paint, rust, varnish and dirt. It is most appropriate for outdoor wooden items, like patio furniture. Only use grade 4 wool when you’re trying to fully strip an item; it’s too rough for delicate cleaning jobs or subtle scrubbing.
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