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If you run a vibratory tumbler and want your brass coming out clean and shiny instead of just less dirty, this is the media that gets it done. Lyman's Turbo Case Cleaning Media is made from natural processed corncob and comes pre-treated with a polishing agent, so you don't have to charge it yourself before the first run. Toss it in your tumbler, add your cases, and in a couple of hours you've got brass that's clean, polished, and ready to load.
Corncob is the softer, gentler option compared to walnut, which makes it a favorite for that final finishing pass. It has a rounded, porous shape that soaks up oils and waxes, so it shines up brass without being harsh on it. That soft, absorbent nature is also why a lot of reloaders reach for corncob specifically after resizing, since it pulls case lube off the brass and leaves things with only minimal residue behind.
Think of this as your polish-and-finish media rather than your heavy-duty grime cutter. If you're dealing with really nasty, oxidized range brass, plenty of folks run a first pass in walnut and then finish in this treated corncob for the shine. The pre-charged polishing agent is what gives you that bright, slick look on the necks and case walls.
Good news is this stuff lasts. Corncob media typically gives you many cleaning cycles before it needs replacing, and you'll know it's time to freshen up when your brass takes noticeably longer to shine or the media turns dark and dusty. When that happens, a fresh dose of polish stirred in for ten or fifteen minutes before you add brass brings it right back. Tossing in a torn-up dryer sheet or paper towel while it runs also helps pull grime out of the media and keeps it working longer. The 2 lb container is a sensible size for the average home reloader who isn't processing brass by the thousands.
It's made from natural processed corncob that comes pre-treated with a polishing agent. That polishing charge is what gives your brass a bright, factory-style finish instead of just cleaning it. Because it's already treated, you can pour it straight into your tumbler and go.
Corncob is on the softer side, so it shines brass beautifully but isn't the best at cutting heavy carbon or oxidation by itself. For really grimy brass, a common approach is a first pass in walnut media to knock off the dirt, then a finishing pass in this treated corncob for the polish. It also excels at removing case lube after sizing.
Most reloaders get clean, polished cases in a few hours, though it depends on how dirty your brass is and how fresh the media is. New media works fast, so check it periodically rather than assuming a set time. Some folks run it an hour, others let it go longer for a deeper shine.
Corncob media typically lasts many cycles before it wears out. You'll know it's time to swap or recharge it when your brass takes noticeably longer to clean or the media turns dark and dusty. Adding fresh polish and letting it mix for ten to fifteen minutes before loading brass can bring tired media back to life.
| UPC | 011516813077 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 7631307 |
| Caliber/Gauge | Multi-Caliber |
| Color | TREATED CORNCOB MEDIA |
| Length | 4.6000 |
| Product Type | Cleaning Media |
| Quantity | 1 |
| Style | Treated Corncob |
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