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Whats the biggest bonehead mistake you've made while brewing?

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mmm so many, most recent though, was brewing an oktoberfest and the target og was 1.051. After draining into my BK I got a gravity reading well below that so I decided to add a little dme to even things out. Oh and by a little, I mean 2 pounds. Ended up with 1.071 after the boil, lol.
 
It was/is my first time kegging. Things went pretty smoothly and I was going to kick start the keg with forced carbonation. After about 16 hours I decided to do a short pour to see how much had changed and it was starting to come a long ... but the pour didn't stop when I let up the tap. It kept going. I pulled the line to the sink while keeping the fridge door open. The glass slipped from my fingers and shattered making a beery mess on the ground while beer spouted from the tap. The root cause was I didn't screw the picnic tap handle all the way so it was stuck in a mostly-but-not-totally shut configuration. One half turn later and everything has been solid.
 
On brew day I tend to forget a valve is open that shouldn't be.

I bet if there was a thread for bonehead kegging mistakes the thread may be quite a bit bigger. I have kegged a lot this year and I always seem to do something really dumb. Usually while cleaning them.
 
Short list:

I typically leave all my valves open after cleaning. And I remember this while filling my hlt on brew day. Then I turn them all off right away. (Feel water on foot.)

Broke a big aquarium thermometer once in my mlt while filling with water from hlt. (No more glass in tuns.)

Constantly get beer showers when de-pressurizing Sankes, ( forget to plug the beer out side).

Get in a hurry to finish up and forget to check OG, aerate. (only happened once,...knock on wood).

While sanitizing commercial keg by boiling, scorched my foot. Not bad but a good wakeup call.

I got more I'm sure

pb
 
One more off hand:

Tried to quick chill some beers I bottled from a room temp keg. No big deal right!

Put them in freezer while imbibing. Forgot about them

Freezer bombs are a pain to clean!!!;)

pb
 
Back when I didn't know better, I didn't pasteurize the peaches for my Shiner Cheer clone.

Accidental sour beer!
 
I had a rather aggressive fermentation that spewed a bit in the ferm chamber (chest freezer), so I leaned deeply into it with some towels to mop up the bottom. I got pretty dizzy, but realized what was going on before passing out...
 
Ball valve open on the mashtun while filling with strike water: Check
Ball valve open on boil kettle while filling with wort before the boil: Check
Left a clamp loose on the immersion chiller and realize it just after turning the water on and spraying hose water into your wort: Check
Knocking the pickup tube loose from the kettle while full of water heated for sparging: Check
Knocking the manifold loose from the mashtun valve while you stir and dough in: Check

And possibly the most spectacular...

Leaking disconnect on the liquid out side of you newly kegged porter while you force carb: Check
Double checking your newly kegged porter the next day to see how the force carb is doing only to find all of the beer in the bottom of your chest freezer: Check
 
Leaking disconnect on the liquid out side of you newly kegged porter while you force carb: Check
Double checking your newly kegged porter the next day to see how the force carb is doing only to find all of the beer in the bottom of your chest freezer: Check

Reading those always make me sad.
 
I had a rather aggressive fermentation that spewed a bit in the ferm chamber (chest freezer), so I leaned deeply into it with some towels to mop up the bottom. I got pretty dizzy, but realized what was going on before passing out...

Hate it when that happens...

download.jpg
 
I was doing an all grain batch, took a pre-boil OG measurement and it was about 10 or so points below target. So, I added a calculated amount of DME to bring it up to the target. I then realized that I was looking at the POST BOIL OG target, not the PRE BOIL target. Doh! I then added a calculated amount of water to bring it back down to the pre-boil target. I felt like a moron to say the least. What's great is that the beer still turned out awesome!
 
I have my pseudo-pislner rye ale in bottles and they just don't seem to be carbing. Can't be certain, but I'm concerned I forgot to add priming sugar.
 
Didn't have a wort chiller for my very first batch, so I left the bucket on the porch to cool -- with the lid off (because things cool faster when uncovered). 6-7 hours exposure to the night air. :eek:
 
Letting the airlock run dry ...... That cost me 129 dollars in honeys and other ingredients HAHAHAHHAHAHAHAa big expensive mistake
 
Last year (January, 2012) my brew buddy and I brewed up a beautiful double chocolate-mint stout. This bad boy was HUGE and; at the time, we were still getting our glass wet so we didn’t fully understand fermentation. That being said, after three weeks in primary then an additional 4 weeks in secondary we were certain this beast of a brew was ready for bottling. We primed as usual (Batch) and made slight additions of both chocolate and mint extracts to “bring the sexy back” then bottled these beauties for Christmas. As I mentioned, we did not fully understand fermentation, specifically the effect of HIGH OG on certain yeast strains. None-the-less, a year later we had a wonderfully tasty and complex brew…. But, and it’s a BIG but.. It was flat as a pancake. The yeast was so pooped after primary and secondary it just packed it in and quit. However, THAT is not the bonehead mistake…..

In my infinite knowledge, impatience, and disappointment after almost a year of conditioning I got the bright idea of carbing up post-conditioning….. In a Soda Stream. See where this is going? I chilled a bottle while I was at work then in the wee hours of the morning (I was working nights) at a non-disclosed rural location I poured the stout into the carbing bottle and attached it to the co2 machine of death, AKA the Soda Stream…..

Now, you have to understand this was the FIRST time I have used this device. The warning label CLEARLY states “use water only.” What?!? Naw, press on soldier…Press on. The warning label also stated “press three times firmly until you hear a loud ‘buzz.” I figured, in my deep understanding of the word “buzz” I was listening for something akin compression breaks… No buzz. I pressed three more times… No buzz… Rinse / repeat…No buzz. At this point I am getting fairly concerned that the “buzzer” is broken and that I have officially exceeded the maximum occupancy load of said Soda Stream bottle…. Naw, press on soldier. SIX MORE PRESSES… No buzz. Okay, NOW I am freak’n out!

I decided that safety, common sense, and simple physics had already gone out the window and it was time to abort. So…….. I began S-L-O-W-L-Y unscrewing the soon to be soda-rocket-bomb-thermo-nuclear-explosive-choco-minty-fresh device-of despair….. BOOOOOOOOM! That sucker rocketed downward, spraying tasty-sticky-sweet chocolate mint nectar EVERYWHERE. E-V-E-R-Y-W-H-E-R-E. I stood there partially in awe, partially in panic mode…. I gathered my senses, pulled myself up by the bootstraps, remembered my combat experience and assessed myself for injury and structural damage… I’M ALIVE! Soaked but ALIVE!!! And… No broken windows. Whew! Wait…. The ceiling, ooohhhh the ceiling.

The ceiling looked as if I had strategically shelled maple syrup with a Howitzer, creating what can only be described as a malt-laden Rorschach test. The lights glistened with an eerie, brown glow and the floor was still pooling the aftermath of the explosion. At this point I just chuckled, put my head down and began cleaning…….for two hours. The splat pattern looked like something out of a bad “B” horror movie and reached from the kitchen to the front door to the family room to the downstairs hallway. And the smell…. Well, the smell was delightful but all I could think about was the look on my wife’s face should she come down prior to me getting rid of the evidence.

After all was said and done I learned one VERY valuable lesson. The term “buzz” is up for interpretation. Oh, and the Soda Stream, though it did work out later after watching a few “how to” videos on YouTube, has a built in tilt-release designed to release the pressure prior to unscrewing the bottle. You live and learn folks… You live and learn. And THAT’S my biggest bonehead mistake…..so far.

Cheers,

-JM
 
I had 3 batches fermenting - 2 in buckets and one bulk aging in a carboy, covered with a shirt to keep the light out. When it came time to bottle the beer in the carboy, I absentmindedly dragged the bucket of the newest beer upstairs and did not realize my mistake until cleaning everything up. Thankfully, it had fermented for 11 days, and no sign of bottle bombs yet.
 
Last year, I bought a pump and while learning the "new" process, I was recirculating boiling wort to sanitize the pump/hoses/etc. Well, I shut off the pump, grabbed the side of the hose that was in the BK and placed it in my bucket of StarSan leaving the other end connected to my wort chiller. I killed the fire on the BK, started the cold water through the chiller and reached for the hose end that was in the bucket, only to notice the bucket was considerably hotter.

As it turns out, I left the valve open and even though the pump was shut off, a syphon had started and was drawing boiling wort into my bucket filled sanitizer. No big deal, except, I had my yeast in mason jars in the bucket. The temperature caused the jars to pop the lid and while there was no broken glass, the yeast was destroyed. Fortunately, I had extra yeast so disaster averted.

Lessons learned that have become part of my SOP:
  1. Shut off all valves
  2. Don't remove hose off the BK until fire is out and cold water is flowing through chiller
  3. Don't sanitize mason jars by leaving them in the sanitizing bucket
  4. And most importantly, Always have extra yeast in hand
 
tmac2050 said:
I had 3 batches fermenting - 2 in buckets and one bulk aging in a carboy, covered with a shirt to keep the light out. When it came time to bottle the beer in the carboy, I absentmindedly dragged the bucket of the newest beer upstairs and did not realize my mistake until cleaning everything up. Thankfully, it had fermented for 11 days, and no sign of bottle bombs yet.

Needless to say, I now label EVERYTHING.
 
No biggies, but...

First one: I was gonna take a pre-boil gravity reading. Opened the spiggot while the lid was still on... took forever to fill - and then it hit me... so I opened the lid, or rather... tried. It was stuuuck! Eventually got it off... and hot wort came spurting out of the spiggot. Thankfully I didn't burn my hand, and the spiggot was facing out away from the stove, as usual.

Second, well... not really a bonehead mistake. We had done a leak test on our electric brewery, and it was fine. Then on brew day it started leaking right where the heating element was mounted. Scary.
 
Dumping a batch of mead before bottling. With nothing really to lose except space on my shelf, I should have aged it out.
 
Left about an inch of one step soultion in my bottling bucket and bottled it hope it doesn't kill me.
 
Dropped the "non-sanitized" cap to a vial of white labs into my chilled wort as I was pitching...

Left the BK burner on as I was trying to chill the wort, couldn't figure out why my IC sucked so bad...head smack on that one.

And of course the ever present forgot priming sugar in fridge and bottled anyways. Went to grab milk for the morning cereal and noticed my now very chilled priming sugar still sitting there.
 
I've got a few to add to the compendium:

  • Forgot my stir bar was in the flask and dumped it down the sink.
  • Pitched an entire 4-liter starter into a 5 gallon batch of Oktoberfest instead of decanting (still waiting to see how this batch turns out)
  • Put a keg of Oktoberfest into the fridge to lager, hooked up a blowoff tube. Cooling contraction sucked back about a liter of Star-San into the beer. Different batch than the previous one, this one is also still lagering.
  • Set my glass carboy on a small box to keep it off the concrete while filling with chilled wort. As it filled, the weight caused the box to collapse. Carboy tipped and shattered.
 
Didn't hit the numbers on first brew.
Didn't hit the numbers on 2nd brew.
Didn't hit the numbers on 3rd brew.
Didn't hit the numbers on 4nd brew.

and on and on,... but I made damned good beer every time!

Well,.. the non's at work thought so,... it was all highly drinkable for me!
And I got that learning curve thing that helped me out!!!

Checking and reading what the 10k+ posters have to say,... I don't feel too bad.

pb
 

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