carrotmalt, how did it turn out? Sorry I didn't respond sooner, I imagine you have already decided what to do at this point. The first pint or two after kegging is gonna have some chocolate sludge in it but after that it will be fine. Grain to glass is usually two weeks, 10 days in the...
There could be a small difference I suppose, but it is more likely due to different storage/shipping conditions. If one is older or has been stored warmer it is going to taste different.
Post #5 shows what the inside looks like when sliced open, lots of places for particles to get trapped. Commercial heat exchangers have gaskets between the plates and can be taken apart and cleaned, which you can't do with this one.
https://www.homebrewtalk.com/f11/plate-chiller-139151/
How about an automatic temperature correcting refractometer? It's what I and many others use. Only $30, well worth the price once you realize how fragile hydrometers are...
Vorlaufing is a common practice in most German and other lager breweries that are producing clean crisp lager beers. Any extra grain in the kettle is said to give a burnt grainy flavor to their beers, so a lot of German brewers swear by clear wort into the kettle to give the cleanest beer in...
Perhaps a dumb question, but you did have the grains crushed didn't you? If so, maybe a finer crush. Also, might want to make sure the temps are correct, is your thermometer calibrated?
CO2 will damn near burn the hairs out of your nostrils.
I am willing to bet that accounting for temp corrections, you are right where you should be. The gravity can not increase without you adding something to it or removing some of the water by freezing, and the addition of the priming sugar...
In Reno 911 they always drink Dogfish Head whenever any of them are having a beer. I think it's just that some people appreciate good beer and want to help get it out there a little, or they are beer snobs and don't want to be seen drinking BMC by there friends while on TV.