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  1. J

    How is weld polishing achieved, inside fermentation tanks?

    Greetings to all! I am looking to experiment with building a conical custom made fermentation tank (1BBL). For a limited period I will have hands on an automatic TIG wire feeder and Tig machine, a turntable and a pair of rollers. Since I have access to super mirror polished sheets from my local...
  2. J

    Does that look OK to you?

    Greetings to all! Please have a look at these samples of Wyeast 1318 under the microscope. They are 2 times built from an unopened bag (10 months old in the fridge). I was able to propagate it to 200B and it looks (plain eye) and smells fine. I built it up in sterilized Sodium Chloride 0.9%...
  3. J

    Harvested yeast and CO2

    Can someone shed light please, on why harvested yeast packaged in spout pouches in the absence of oxygen and wort/food, over time swells the pouches? How can co2 be produced when there are no nutrients and no oxygen in the bags? The ones we buy from the Wyeast, WhiteLabs etc. don't do that ...
  4. J

    304L 90° dip tube for 50-litre Braumeister V2

    After a lot of trial and error we have precision machined a dip tube that works fantastically in the 50L version. It saves over 7L (almost 2 gallons) of wort that would otherwise throw. If anyone is interested please pm me and I will send you the link where from you can buy it. I am attaching...
  5. J

    Yeast cells under microscope

    Greetings everyone! I am posting some photos I took under a microscope at a dilution 1:4000. I used methylene blue to stain the cells and although there are a lot dead ones, there are still some viable ones and have calculated them at 800.000.000/ml . I pitched about 350ml in total and the age...
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