Lordy, here we go...
I'm guessing at least 10 pages...
I use real black powder Goex to be specific...I started using muzzleloaders before the others were a gleam in the chemist's eye...
I have tried Pyrodex and 777 in my Knight, Pryodex because I bought it for $7 a pound and 777 because I wanted to try it...The crud ring on 777 was too much for me to deal with and frankly I didn't find either it or Pyrodex any cleaner or easier to clean than FFF Goex...
Goex is cheaper and easy for me to get because there is a distributor just west of Winston so I buy direct...
I have to have Goex around for my .40 and .54 flinter...With 80grs of Goex FFF in my Knight I can sight in 2 1/2 high at 100 yards and be about 2 1/2 low at 150 so it shoots plenty flat for deer hunting out to 150 which is where most of my deer are killed anyway...
Goex is very easy to clean, plug the vent, pour a few ounces of water down the barrel and you just poured out most of your crud...Dry with patches, repeat and oil the bore...
So, it's cheaper, easy to clean has plenty of power for most hunting situations and as accurate as any powder we have...As far as corrosion, no problem if you know how to clean properly...In addition, as long as you store it in a cool, dry place it has indefinate shelf life...
I really don't understand why anything else was even invented, much less sold at the ridiculous prices some of this stuff brings...