whisky all grain

all about mashing and fermenting grains

Re: whisky all grain

Postby db1979 » Fri Jul 13, 2018 3:48 pm

Hey bluc what size holes are they in your false bottom?

I've found midway metals do a perforated sheet in the following sizes:
Screenshot_20180713-154348.png


Are any of those sizes ok? Or do you think there are more economical ways to go? I don't know the prices.
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Re: whisky all grain

Postby bluc » Fri Jul 13, 2018 4:56 pm

I dont know and its currently under 22.5kg grain and 90l water :D it cost me $99 for a 50cm for a blue drum..
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Re: whisky all grain

Postby bluc » Fri Jul 13, 2018 5:04 pm

Stainless mash tun not sure either. I will see if I can measure it after dinner for ya not sure I can get to it either way will let you know..
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Re: whisky all grain

Postby db1979 » Fri Jul 13, 2018 5:09 pm

No rush mate, I'm not building one for ages yet, just thinking.
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Location: South of the big smoke in banana bender land.
equipment: Eve - 4" x 4 plate solid state bubbler (sieve plates), 330 mm packed section on a keg boiler with 2 x 2000 W elements.
Currently having a makeover: 2" x 4 plate solid state bubbler (1" bubble caps, no sight glasses...maybe not for much longer!) on a bain-marie boiler.

Re: whisky all grain

Postby bluc » Fri Jul 13, 2018 6:28 pm

in my 60l tun the falsie is approx 1.5mm hole 5mm centres. :handgestures-thumbupleft: Not sure how they measure it but looks like first one in your list 1.6mm hole 2.54 centre(becasue holes are staggered one row half into the gap below if that makes sence. Between holes on same row is approx 5mm.. :-B
Last edited by bluc on Fri Jul 13, 2018 6:31 pm, edited 1 time in total.
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Re: whisky all grain

Postby bluc » Fri Jul 13, 2018 8:39 pm

New setup
5star rims tube 2400w element mach2 brew controller magnetic drive brew pump 220l blue drum 50cm false bottom.
Resized_20180713_132555_7714.jpeg

Recipe 22.5kg barret burston ale malt
95l water added
Method full volume no sparge.
Took 3.5hrs for 2400w and my mash controller to heat 95l water.
3.07pm grain added at 60 degrees c.
After an hour gravity at 1.035 9 brix
After two hours 12ish brix gravity 1.048 and stable for additional hour. effeciency 65%
Bit lower than I like so additional 4kg grain added..
1hr later

Adjusted recipe
Recipe 26.5kg barret burston ale malt(my grain is getting a bit long in tooth and losing dp)
95l total volume
Method full volume no sparge.
80l in fv at 1.0526 potential 6.7%
51% effeciency :angry-banghead:
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Last edited by bluc on Fri Jul 13, 2018 8:44 pm, edited 2 times in total.
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Re: whisky all grain

Postby bluc » Fri Jul 13, 2018 8:45 pm

check gravity again in the morning before pitching :pray:
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Re: whisky all grain

Postby dans.brew » Fri Jul 13, 2018 8:50 pm

Hey bluc... your new mash tun looks good!
You'll get her all going smick in no time. Just a querey for my first go at mashing. How long before you use your grain can you mill it?
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Re: whisky all grain

Postby bluc » Fri Jul 13, 2018 9:04 pm

I normally mill it while strike water is heating up.. :handgestures-thumbupleft:
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Re: whisky all grain

Postby dans.brew » Fri Jul 13, 2018 11:38 pm

bluc wrote:I normally mill it while strike water is heating up.. :handgestures-thumbupleft:

Thanks mate!
I hope to do my first mash this weekend... will post up how i go when done! :smile:
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Re: whisky all grain

Postby db1979 » Sat Jul 14, 2018 7:45 am

bluc wrote:in my 60l tun the falsie is approx 1.5mm hole 5mm centres. :handgestures-thumbupleft: Not sure how they measure it but looks like first one in your list 1.6mm hole 2.54 centre(becasue holes are staggered one row half into the gap below if that makes sence. Between holes on same row is approx 5mm.. :-B

Thanks mate :handgestures-thumbupleft:
db1979
 
Posts: 1760
Joined: Sat Dec 29, 2012 3:47 pm
Location: South of the big smoke in banana bender land.
equipment: Eve - 4" x 4 plate solid state bubbler (sieve plates), 330 mm packed section on a keg boiler with 2 x 2000 W elements.
Currently having a makeover: 2" x 4 plate solid state bubbler (1" bubble caps, no sight glasses...maybe not for much longer!) on a bain-marie boiler.

Re: whisky all grain

Postby dans.brew » Sun Jul 15, 2018 7:32 pm

Well today i completed my first ever mash.
So i started with 9kg of my homemade malt... i had my fingers tightly crossed that it was gonna be the goods.
My mashing vessel was just a 50ltr eski with a false floor made from a flattened bowl out of an old washing machine.
My strike temp was 74 degs using 27 ltrs of water. Once the grain was in it came down to around 66 degs. I let it sit for a bit over 4 hours without touching it. The temp only dropped 3 degs in that time.
I drained off roughly 19 ltrs and then started to sparge. I sparged @ 76 deg down to a gravity of 1.010. Once i got enough wort to top up my first fermenter to 28ltrs i did so, before sparging another 9 ltrs into the second fermenter.
In the finish i got 28ltrs @ 1.067 and a further 9 ltrs @ 1.029... so very happy with my malt!! :happy-partydance:
The 9 ltrs i might just top up with water, sugar and some of the barley for a sugar head. Feedback on my process most welcome.
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Re: whisky all grain

Postby bluc » Sun Jul 15, 2018 8:15 pm

Sounds like you nailed it :handgestures-thumbupleft: method is fine. Just going off first sparge you got 68% effeciency not bad especially on first go :D sounds like you did well with your malt also.
Last edited by bluc on Sun Jul 15, 2018 8:17 pm, edited 1 time in total.
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Re: whisky all grain

Postby dans.brew » Sun Jul 15, 2018 8:51 pm

bluc wrote:Sounds like you nailed it :handgestures-thumbupleft: method is fine. Just going off first sparge you got 68% effeciency not bad especially on first go :D sounds like you did well with your malt also.


Thanks bluc!
What calc do you use to work out your efficiency?
Just got my sugarhead going, just waiting for my AG to cool down a bit before i pitch.
Have you ever tried freezing some of the left over malt for a future sugarhead or for adding to generations? It just seems like a waste to give it to the chooks when i think of the work thats gone into it.
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Re: whisky all grain

Postby bluc » Mon Jul 16, 2018 6:47 am

Beersmith :handgestures-thumbupleft: have been wanting to dry it but have just been doing large sugarheads keep using it till flavour is gone, 5 gens usually..this time round I added 3 cans caramalt along with the ale malt to the sugarhead.. and will continue doing so for another 4 gens..
Last edited by bluc on Mon Jul 16, 2018 6:50 am, edited 1 time in total.
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Re: whisky all grain

Postby dans.brew » Mon Jul 16, 2018 8:31 am

Thanks bluc! :handgestures-thumbupleft:
My sugarhead is bubbling nicely this morn, but my AG was doing nothing. :think:
Turns out the ph was too high... so in with the citric acid and now she is starting to take off slowly.
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Re: whisky all grain

Postby coffe addict » Mon Jul 16, 2018 8:47 am

What grind are you doing bluc? When I was drill mixing I couldn't get under 1.5mm but my last mash was 1.0mm without any hints of a stuck sparge. It helped a little with efficiency but my grain is older than yours so I'm still struggling.
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Re: whisky all grain

Postby bluc » Mon Jul 16, 2018 10:09 am

1.3 thinking maybe full volume no sparge was not such a great idea :D
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50l keg boiler 4" still mount 4" sight glass 1" drain..
4 plate 4" bubbler, 600mm packed section

Re: whisky all grain

Postby dans.brew » Tue Jul 17, 2018 5:24 pm

Just wondering if AG ferments always tend to foam up a lot during fermentation?
Mine was slow to start bubbling, but boy its made up for it. It just keeps foaming up like crazy... nice puddle on lid and floor. :angry-banghead:
Its sitting @ 24 degs which is the upper end of the temp range for safale us-05. Ive shifted it to a cooler spot hopping that may help.
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Joined: Fri Oct 07, 2016 10:26 pm
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Re: whisky all grain

Postby bluc » Tue Jul 17, 2018 5:54 pm

I always get heaps activity..
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4 plate 4" bubbler, 600mm packed section

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