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    Forced VDK test SOP

    Hi there,

    What is your preferred SOP for a forced VDK test? Temp? Time? etc.

    At this moment we are doing a sample at 70C/158F for 30min in a hot water bath but have heard of people doing it at...
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    Thank you!

    Thank you!
  3. Thread: Turbidity Issues

    by Gbbc
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    Just get zinc sulfate from your lab supplier.

    Just get zinc sulfate from your lab supplier.
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    In what position was your racking arm? Up,...

    In what position was your racking arm? Up, horizontal, down etc.? Could you have some yeast and hop material frozen on your cone at -1.5C getting dislodged when you start the transfer?
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    I cant speak for Bacillus subtilis and...

    I cant speak for Bacillus subtilis and Rhodopseudomonas palustris, but if you would use this in a kettle sour you would see fermentation happening during souring due to the Saccharomyces cerevisiae....
  6. Thread: Hoppy sour ale

    by Gbbc
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    1,368

    This is great to know. We have found the same...

    This is great to know. We have found the same when we have tried this style. I have yet to try a great hoppy sour ale. If they exist, let me know.
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    Hi there, Your typical American strains...

    Hi there,

    Your typical American strains perform well in those low pH conditions. Regarding the hops, I somehow feel that, for some reason, a sour does not accentuate hops as well as a normal...
  8. Hey there I would highly recommend the Sour...

    Hey there

    I would highly recommend the Sour Pitch from Lallemand. It is Plantarum though. After souring we will harvest, keep in cold room until needed and go for up to 5 times.

    If you are...
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    Lets do some quick and simple maths...Here in...

    Lets do some quick and simple maths...Here in Australia a 50L keg of cheap beer is worth AU$250. We get a minimum of 100L of beer extra per batch using a centrifuge. Brew 7 batches a week = $3500...
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    By not removing the sheets fully do you mean that...

    By not removing the sheets fully do you mean that the can pusher in not retracting all the way or is it retracting all the way but dropping the sheet halfway through the cycle?
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    We use the Anton-Paar Cbox. It is only useful for...

    We use the Anton-Paar Cbox. It is only useful for filtered beer. You just have to think of hops and it will get clogged!
  12. Thread: Rapid oxidation

    by Gbbc
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    Are you sure the kegs got purged properly? What...

    Are you sure the kegs got purged properly? What sanitiser do you use? Did you compare the draft to a can?
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    Hi Tim, what flocculant are you using in tank? We...

    Hi Tim, what flocculant are you using in tank? We cant seem to get our IPA’s below 80 EBC

    10Torr, we see about 13 - 17ppb going through our GEA
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    This hopper looks similar to the Rolec DH range...

    This hopper looks similar to the Rolec DH range of dry hoppers. They are fairly easy to use, but they are sensitive to pressure differentials. We set or hopper chamber to 15psi and the FV to 14.5psi...
  15. Yeast Bay?

    Yeast Bay?
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    Hi Dirk, Why when using caustic and hydrogen...

    Hi Dirk,

    Why when using caustic and hydrogen peroxide as the oxidizer turn stainless black? Ive used 3% caustic and 1% hydrogen. Can you get rid of it?

    Cheers
  17. Thread: Bad Galaxy

    by Gbbc
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    I totally agree with this. You will be surprised...

    I totally agree with this. You will be surprised at how many does not know that the packs needs to be nitrogen flushed!
  18. Thread: Bad Galaxy

    by Gbbc
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    2,036

    It is very unfortunate when something like this...

    It is very unfortunate when something like this happens. This is out of the control of the original supplier and most of the times they will get the stick for it. I refuse hops from ANYONE who has...
  19. Thread: Bad Galaxy

    by Gbbc
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    Did the packaging have any HPA (Hop Products...

    Did the packaging have any HPA (Hop Products Australia) branding on it? The foil bag should have branding and crop year printed on it.
  20. Thread: Bad Galaxy

    by Gbbc
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    Can you describe the odd flavours etc.? What did...

    Can you describe the odd flavours etc.? What did the packaging look like?
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    Hi, All our hops are from YCH and we have been...

    Hi,

    All our hops are from YCH and we have been experiencing some changes from different lots, especially Amarillo, Citra, Mosaic and Simcoe. Some Amarillo was smelling stale, an odd vegetal...
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    Thank you WaterEng

    Thank you WaterEng
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    RO water and salt additions

    Hi there

    We use RO water for brewing. We add our mash salts, hydrated in a few liters of water, directly to our mash vessel while mashing in. We do not have a way of dosing salts into our sparge...
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    Warm dry hopping and diacetyl

    Hi people,

    We have had first hand experience with warm dry hopping, 21C, and diacetyl problems in our heavy hopped beers. We would typically see a beer finishing at 1.014, day 7, and after the dry...
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    That 25ppb is an unshaken can and not your TPO

    That 25ppb is an unshaken can and not your TPO
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