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  1. Positronic_Matrix

    Giveaway for Inkbird new waterproof instant read thermometer!

    Please enter me in your contest. I have temperature measurement needs.
  2. Positronic_Matrix

    Lag time extreme, US-05 dry yeast

    I used a space heater with a built in fan near the face of the FastFerment conical to drive the temperature up in that short period of time. I did not expect fermentation to noticeably progress in this short period. Instead, I got spooked by the odd smell and confirmation from the hydrometer...
  3. Positronic_Matrix

    Lag time extreme, US-05 dry yeast

    After getting my wort up to 18 °C (68 °F) I thought I’d check the gravity with a hydrometer. My OG was 1.050 and this reading was 1.049, which is within measurement error. It’s doing nothing. Additionally, the beer had a slight off smell. I thus made the call to quit messing around with...
  4. Positronic_Matrix

    Lag time extreme, US-05 dry yeast

    This is quite a coincidence. I am right now having the same problem with the same yeast. I’m also a bit cooler at about 18 °C (65 °F) in my garage. On Thu night on a whim I decided to try a DME no-boil IPA instead of the usual all-grain process I use. I pitched a US-05 starter into my...
  5. Positronic_Matrix

    Pros and cons of "fast ferment" ?

    I put mine in its stand and then pull the carrying strap up over both the FF and stand. I can then walk around easily with the pair. I’m not sure I’d want to navigate stairs with it. I also found a rolling stand for it on Craig’s List. Someone welded together a light metal stand with wheels...
  6. Positronic_Matrix

    Pros and cons of "fast ferment" ?

    I have three FFs, one from the first generation and two from the second generation. The key to keeping them from leaking is not too much nor too little Teflon tape. I do two 450° wraps, only enough to go around once plus a bit to hold the ends together. One wrap goes high and one goes low...
  7. Positronic_Matrix

    Two Liter Polypropylene Erlenmeyer Flask for Starters?

    I used this product in place of a glass flask over the past week to build a yeast bank. I was able to pour boiling liquid into it and heat it gently on a hot plate (24 °C) without damage. It has several advantages over glass: It was a fraction of the price It has a screw top It is...
  8. Positronic_Matrix

    Two Liter Polypropylene Erlenmeyer Flask for Starters?

    I purchased a 2 L polypropylene Erlenmeyer flask from Amazon today. My goal is to use it with my existing stir plate to create yeast starters. I selected polypropylene as it was significantly less expensive ($7) than glass/Pyrex ($30) and has a screw top...
  9. Positronic_Matrix

    Pros and cons of "fast ferment" ?

    I've been considering buying a temperature control loop from Ball and Keg. It's made for a carboy, however, due to the depth of the conical, it would work for a FastFerment as well. It would require modifying the lid with a new hole to hold the stopper...
  10. Positronic_Matrix

    Pros and cons of "fast ferment" ?

    This is brilliant. I've been planning on moving to an oxygen-free transfer but never considered capturing the displaced keg gas to feed back into the fermenter. Thank you!
  11. Positronic_Matrix

    edX Class: Beer the Science of Brewing (24 Feb 2020)

    I originally posted on 20 Dec 2019. One month later (halfway), I wanted to remind folks that the class starts on 24 Feb 2020. Over 26,000 people are currently registered.
  12. Positronic_Matrix

    RoboBrew or 22 gal Kettle?

    I have been saving for a 22 gal (83 L) kettle for quite some time. Recently, I have been given an opportunity to buy a RoboBrew v3.1 for a similar price. Which one should I get? The reason I originally wanted a 22 gal kettle is that I am time constrained due to work travel and family. I find...
  13. Positronic_Matrix

    Fermenting in Plastic Storage Bins to Save Space (YouTube)

    I have been brewing for years, however I have never attempted a lager, as my conical fermenters are too large to fit in a fridge. I am embarrassed to say, that I assumed that the fermentation vessel had to also be the lagering vessel. I never considered otherwise until now. With the...
  14. Positronic_Matrix

    Fermenting in Plastic Storage Bins to Save Space (YouTube)

    I plan to give a try in March for lagering. I was hoping to find some folks who’ve already done this. :)
  15. Positronic_Matrix

    What did you get for Christmas?

    Neat! I read that it’s the hoppiest place on Earth.
  16. Positronic_Matrix

    Massachusetts 2 Upgraded FastFerment fermenters

    If Sammy86 hasn’t already bought these, I will. Edit: I bailed because I failed to consider the logistics of evaluating and shipping this hardware across the continent. I’m used to buying locally on Craig’s List. I have been desperate to add a third FF and posted without thinking. Thus, it’s...
  17. Positronic_Matrix

    What the heck is going on with this batch?

    I believe the cure for an infected system is a quick flush with OneStep (or comparable cleaner), which I do after every time I change a keg out. I place OneStep into a clean keg, attached the carbon dioxide line, and flush the liquid through the system. This should be sufficient, yes?
  18. Positronic_Matrix

    iSpindle - DIY Electronic Hydrometer

    I just tried to order from this site, however it’s impossible to create an account with a US address, as they do not include the United States as a country (only US outlying islands). I’m also unable to select a state outside of Germany. Although I have shared this link myself in the past, I’m...
  19. Positronic_Matrix

    What did you get for Christmas?

    I got a refractometer and an Bière de Garde all-grain kit from MoreBeer!
  20. Positronic_Matrix

    Lagering vs Fining/Cold Crash

    https://onbeer.org/2012/05/the-importance-of-lagering/ A cold crash with gelatin is a quick lager that gets you part of the way but not all the way. Does it really make a difference? Brülosophy had some interesting results. On another subject, when making lagers using refrigeration, be sure...
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