Home Brew Forums > Home Brewing Beer > Recipes/Ingredients > mangrove jacks yeast
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Old 05-09-2013, 06:17 PM   #1
triskelion
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Default mangrove jacks yeast

Anyone used any of these yeasts before?:
http://www.the-home-brew-shop.co.uk/...ast-Range.html

Btw this is a pretty good homebrew shop.


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Old 05-09-2013, 06:25 PM   #2
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I have just started to hear about this yeast in the past couple weeks. cost is a bit higher, but that doesn't bother me too much. More dry yeast variety is a good thing.


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Old 05-09-2013, 06:43 PM   #3
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Also, rebelbrewer is claiming the M-44 is similar to pacman. Now, I am really interested.
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Old 05-09-2013, 06:53 PM   #4
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I've got an ESB in the fermenter with M79(Burton Union) The hydro sample I tasted yesterday was good, I think they're going to be good.

I rehydrated and had active fermentation on a 6 gal batch of 1050 wort in under an hour.


I also have a sample pack of M07(British Ale) that I will be using in a brew that I normally do with Notingham to compare.
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Old 05-28-2013, 08:10 PM   #5
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JohanMK1, did you use the manufacturers rehydration instructions or how did you rehydrate?
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Old 05-28-2013, 10:49 PM   #6
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Oh, so the M-44 is highly flocculating... now I'm interested too!
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Old 05-29-2013, 05:35 AM   #7
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Exactly according to the instructions in their booklet.

Add yeast to 3.4fl.oz(100ml) water at 86-95f(30-35C) except the bohemian Lager which wants to be a fair bit cooler, 68-77f(20-25C)

Bottled my first ESB that I brewed with the MJ Burton Union over the weekend. I deliberately fermented a bit warmer than i normally would. The recomended temp for the M79 is 62-74f(18-23C) where I normally do my ESB with nottingham at around 59f(15C)
So i let it sit at room temp which this time of year for us is mid to low 60's.

It took a good long while to do it's thing, just shy of three weeks to reach FG, but reach FG it did. Went from 1050 to 1012. Left it for a 4th week and bottled it.

The FG sample I took on Saturday to confirm the 1012 had no dicernable off flavours and is arguably the best partial mash ESB I have made to date.

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Originally Posted by RightHandBrewer View Post
JohanMK1, did you use the manufacturers rehydration instructions or how did you rehydrate?
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Old 05-30-2013, 03:14 PM   #8
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I just brewed a blonde ale with their west coast yeast. I followed their rehydration instructions as well. It was slower to start than I'm used too. I saw signs of fermentation within 24 hrs, but it didn't really get going until 2 days after pitching. With liquid yeast and a starter, I usually have a vigorous fermentation within 12 hrs. Anyway, It's been a week and It's still bubbling. I'm planning on taking a gravity sample to see where I'm at.
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Old 06-07-2013, 02:30 PM   #9
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Bohemian Lager M84:
I brewed an all grain bopils on 5-31, rehydrated and pitched 2 packs of Bohemian Lager into 6gals of 1.050 wort at 50F. 36hrs later with no activity, I let the temp rise to 57F. At 55hrs post-pitch, it started slowly moving the airlock and I dropped the chamber temp to 55F.

At 80 hrs it had a small krausen and fair airlock activity.

5 days post-pitch it is fermenting well at 55F and has a pleasant odor, krausen ring pushed up 3/4" from the fermenting beer at some point.

I'll give tasting notes ASAP. I build water from RO with minimal mineral additions (3G CACl2 each mash/sparge in this batch)and control mash pH with acid malt, sparge pH with phosphoric acid as measured with a pH meter, so I should have a decent objective opinion on this yeast when it's finished.
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Old 06-07-2013, 02:35 PM   #10
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West coast ale used in an rye amber ale....side by side comparison with us 05. We shall see. I can say that the mangrove jacks was a slow starter but when it got going it was more vigorous than the safeale. These were temperature controlled ferments at 65 f raised to 68 as ferment slowed.

I will be kegging next week and drinking shortly after that. I will post my results.


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