Blue Wonder. The BEST bore cleaner??

I am scared of CLR as I have mostly blued barrels. Only 3 stainless steel barreled rifles.
I did buy some Carbon Out recently but then ran into health problems and have not used it yet. After I get my heart problems fixed I will try it and report. With Blued barrels I expect to wrap my barrels with tape towards the front just incase it eats the blueing
 
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