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Old 06-22-2013, 04:52 PM   #1
Frige
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Default High ph

My fermentation has basically died. It is stuck at 1.070. I checked the ph and its shows very high at 7.8 or so. Before I pitch another yeast pack It seems I should get that down. Can I use lime juice as a acid to get it down to the 5.0 level?

Here is what I am making. http://www.homebrewtalk.com/f30/agave-pulque-mead-412800/



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Old 06-23-2013, 03:03 PM   #2
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Yes you can but how much LJ you'd need to add, I don't know.

Its possible that you may need to add so much that all you'll taste is the lime juice......



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Old 06-23-2013, 03:11 PM   #3
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Did you use a commercial agave product, or use your own agave creation? From your linked plan, the agave & lime was added about a week after you started the base mead?

You are stalled at 1.070, what was the starting gravity and this is the batch from 5/25?

And your meter is calibrated?

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Old 06-23-2013, 08:08 PM   #4
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I cannot imagine how your pH could possibly be that high with the recipe you linked... Could you elaborate as to how you are measuring the pH?

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Old 06-23-2013, 09:18 PM   #5
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I decided that I dont trust my ph meter. I bought it at walmart aka cheap crap and I put it into the lime juice and it still reads high. I went ahead and bit the bullet and bought this one.
http://www.water-testers.com/contents/en-us/p4325_milwaukee_mw102.html
I hope no bad stuff gets to it before I can get it reved back up.
Thanks for the replies I need all the help I can get....

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Old 06-23-2013, 09:23 PM   #6
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Did you try changing the battery? That is important too. I got weird readings, even after I calibrated. Changed the battery, all was good.

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Old 06-28-2013, 11:23 PM   #7
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Got my new toy in yesterday Calibrated it just like it says to do. The ph ends up being 3.04 so thats to low right? Whats next?

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Old 06-29-2013, 07:08 AM   #8
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Quote:
Originally Posted by Frige View Post
Got my new toy in yesterday Calibrated it just like it says to do. The ph ends up being 3.04 so thats to low right? Whats next?
Well, that's low, but not quite dangerously so.

A little potassium carbonate might be in order, as mead type brews often suffer from pH swing, what with a low-ish pH and the build up of carbonic acid during a ferment (a.k.a. dissolved CO2) and some of the other organic acids that form and degrade during the ferment.

at 3.04, that's only what ? 4 to 5 100th's away from the danger zone, so bringing it back up maybe half a point should help some. Certainly take a bit of stress off the yeast.......
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Old 06-29-2013, 11:43 AM   #9
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Well looks like its back to my lhbs. I need to buy grain anyway. I will raise it up and see what happens.

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Old 07-02-2013, 12:13 PM   #10
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I brought it up to 3.78 It is starting to show signs of life. This may be the slowest fermentation I have ever seen.



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