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Home Brew Forums > Home Brewing Beer > General Beer Discussion > Is the dishwasher really your enemy?
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Old 11-15-2009, 05:28 PM   #1
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Default Is the dishwasher really your enemy?

We've all heard it, some of us preach it, but is it true? Does the dishwasher ruin head retention in your barware and make for a poor beer drinking experience?

Last week, I was listening to an old Basic Brewing podcast, and the guest (Ray Daniels, I think) was talking about "beer clean" barware. He talked about using salt to determine whether a glass is beer clean or not. This morning, Laughing Gnome posted this video describing the same technique.


I have been cleaning my barware in the dishwasher (WITH Jet Dry) for years knowing full well the possible negative effects. However, I've never perceived any ill effects. Today, I decided to prove that my dishwasher does indeed produce beer clean glasses. This glass came out of the dishwasher a few days ago, shortly after the Jet Dry reservoir had been replenished:


I got the same result with one of my Sam Adams glasses, washed even more recently. So, not only am I not perceiving any ill effects, THERE ARE NONE! I'm not saying that everyone should start using their dishwashers for barware, but in some cases, it might not hurt. Of course, not all dishwashers are the same. Also, we have VERY hard water, and that may make a difference.

Is the dishwasher really my enemy? This test yields a definitive, "NO!"


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Old 11-15-2009, 05:41 PM   #2
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Funnily enough, the reason I posted that video in the other thread was because at the time I was reading it I was drinking out of a dishwasher cleaned glass that I forgot to re-rinse, and was very dissappointed at the sudden loss of head and zero lacing.

I don't think it is necessary to do the salt washing thing, but I do feel that doing that at least once is educational and helps you understand how important a clean glass really is.


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Old 11-15-2009, 05:41 PM   #3
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I used to wash my beer glasses in the dishwasher (with Jet Dry), and don't remember noticing any negative effects, but I don't know that I was really looking for any.

I'm interested in seeing others' experiences...I'll be watching this thread. Thanks for posting the question, Yuri.
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Old 11-15-2009, 05:44 PM   #4
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Just to be clear, I did not do the salt scrubbing step with the glass in the picture. That's how it looked on the very first salt test with no excessive rinsing or additional cleaning.
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Old 11-15-2009, 05:52 PM   #5
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I'm not in the pay of the anti-dishwasher lobby.

Yuri, do you use that "rinse agent" or "conditioner" in your dryer? We do, and I think that's what kills the lacing in our dishwasher.
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Old 11-15-2009, 05:54 PM   #6
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Yes, Jet Dry is a common dishwasher rinse agent.
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Old 11-15-2009, 05:59 PM   #7
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Quote:
Originally Posted by Yuri_Rage View Post
Yes, Jet Dry is a common dishwasher rinse agent.
Sorry. I missed the jet dry reference in the OP.

Now I'm intrigued! I honestly see a definite difference between my dishwasher glasses and my hand rinsed glasses.......My mind is now officially boggling. I will try that salt test later with the dishwasher when my SWMBO isn't looking.
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Old 11-15-2009, 06:02 PM   #8
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I'm curious to see results from other areas and other dishwashers. I'm guessing that areas with a soft water profile will produce very different results.
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Old 11-15-2009, 06:05 PM   #9
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Those look like some awesome Margarita glasses with all that salt. My favorite beer glasses never see the inside of a dishwasher. Overtime they will etch in the dishwasher, but more importantly I am pretty sensitive to the chlorine/cloramine odor that sticks to the glass. Much easier to hand clean using the RO water spigot. Even easier when my wife hand cleans them!
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Old 11-15-2009, 06:07 PM   #10
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Thread prosted. I am VERY curious for you good people to post findings!


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