I`ve tried ALOT of concoctions in the last 50+yrs, but as of lately, i tried the Breakthrough "Carbon Pro". I threw out everything else immediately in the garbage after i saw how good it worked. Not only did this stuff clean out my built up carbon, it also cleaned out my gun cleaning cabinet.
I soak a cotton patch, let it sit in the chamber 5 minutes, twist a plastic bore brush into the chamber, no more carbon.
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I bought BT-Carbon Pro at BassPro, but have since found it through HomeDepot a little cheaper. I can order it on their website, then go to town and pick it up when it comes in. For me, its easier to drive to my local HomeDepot 10 minutes from my house rather than drive 2hrs (to an from) to basspro.
Provide a bold and ultramodern upgrade to your boat with this affordable yet extraordinary B BREAKTHROUGH CLEAN TECHNOLOGIES brakes BCT Carbon Pro Heavy Carbon Remover w Bore Cleaner Bottle Clear.
www.homedepot.com