fishnfever

Recipes 

I hooked up the co2 line to out post on my keg I have hooked up many kegs and have never done this. Did I do any thing to hurt my beer?

DKershner

Recipes 

Nope. You just stuck some CO2 up through the bottom of the beer. It'll carb a little faster this way, but be cloudy at first.

Now, getting the QD off is never fun...

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SweetSounds

Recipes 

Nope.
Both tubes go to the same place. One's just a little lower than the other.
Worst case, it's a pain to get off the post. And you disturb the sediment.

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Put some duct tape over the gauge - Or better yet - Replace the high pressure gauge with a plug - High pressure gauges are useless!