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  1. Positronic_Matrix

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  5. Positronic_Matrix

    Endless Soda Water: Carbonation Unexpectedly Low

    Thank you for the detailed post with the high quality pictures. I took your advice and increased the pressure to 28 PSI and that solved the problem. The family is very pleased with the quality of the carbonated water and I’m a bit embarrassed for overthinking the issue when a turn of a knob...
  6. Positronic_Matrix

    Endless Soda Water: Carbonation Unexpectedly Low

    OK. I have a theory. I believe where I’m getting hung up is assuming the pressure in the system is constant. In actuality, when gas flows into the keg there is a pressure differential or potential. In physics, a potential (e.g., voltage, pressure) is required to do work. If no potential...
  7. Positronic_Matrix

    Endless Soda Water: Carbonation Unexpectedly Low

    I’m not sure if this is the cause of my current issue but you have good intuition. When I first set the system up, it would not reasonably carbonate, as if there were no carbonation stone in place. It hit me that the tank was air filled when I forced water and CO₂ into the existing atmosphere...
  8. Positronic_Matrix

    Endless Soda Water: Carbonation Unexpectedly Low

    If one has two pressurized vessels feeding a common volume isolated by check valves on each input, both inputs would flow at a rate proportional to the difference in pressure until equilibrium was met. If the input pressures were equal, the filled volume would contain exactly half volumes from...
  9. Positronic_Matrix

    Endless Soda Water: Carbonation Unexpectedly Low

    This is steady-state carbonation [edit: where the system was allowed to sit without use to achieve maximum carbonation]. I put the system together while my family was out of town (Thanksgiving) and found that [even] after a couple days ([again] without use) the soda still lacked full...
  10. Positronic_Matrix

    Endless Soda Water: Carbonation Unexpectedly Low

    The CO₂ pressure is set to 140 kPA (20 psi). The serving line is 2 m (6 feet) which was sized for beer at a lower pressure. Lines are standard 3/16” (4.8 mm) ID. When pouring from the 19 L (5 gal) keg previously, I’d get large bubbles as the gas would leave solution in the tubing. When...
  11. Positronic_Matrix

    Endless Soda Water: Carbonation Unexpectedly Low

    I have served carbonated water from my keezer on and off for a few years. A keg typically lasts a week and it’s then up to me to pull it out and refill the water. Because I can get busy, sometimes we can go a week or more without carbonated water to the dismay of my family. To rectify this...
  12. Positronic_Matrix

    Here I go again, Yeast issue or not?

    It looks like you’re in the right temperature range for the yeast. I did a bit of reading and most folks say that it takes off relatively quickly. That said, I didn’t find any absolute measures of time until there was sufficient activity to drive an air lock. I know SafAle WB-06 typically...
  13. Positronic_Matrix

    Keezer Gas Bulkhead solution

    Here’s a solution from Wholesale Beer Parts with 1/4” swivel nuts (barbs): 1 × Bulkhead Adapter with Fittings ($19.95) If you want to substitute one barb with a ball lock post, order these too: 1 × Adapter - Cornelius Keg Post 1/4" FFL x 19/32" ($3.89) 1 × Cornelius Ball Lock Keg Post ($7.25)...
  14. Positronic_Matrix

    First Time Keezer Build - What do you wish you knew/What lessons did you learn?

    I started out with a rough wood, painted white to match the chest freezer. After building a handsome fermentation chamber with a gel-stained pine collar, I wanted to revisit my keezer. I spent hours sanding down that collar to remove the white paint and rough finish, ultimately repeating the...
  15. Positronic_Matrix

    Keezer Gas Bulkhead solution

    I’ve never met someone who hadn’t heard about a Chick tract before! The official “crazy lady” (per my children) in my California neighborhood hands them out to kids year round. I received them growing up in suburban Colorado at Halloween. It’s religious propaganda with antisemitic and...
  16. Positronic_Matrix

    First Time Keezer Build - What do you wish you knew/What lessons did you learn?

    Sage advice. I just rebuilt my keezer from scratch and came to the same realization too late. Not only should I have put the taps over the hump but my two gas valve manifolds as well. Instead I have a high-pressure manifold to the left and a low-pressure to the right (over the hump). The...
  17. Positronic_Matrix

    Keezer Gas Bulkhead solution

    I wanted to follow up on my comment to let folks know that the company referenced above included political propaganda in their shipment to me. It was a great disappointment to have this unwanted politicking foisted upon me in my own home. It was like getting a Chick Tract instead of candy when...
  18. Positronic_Matrix

    New post a picture of your pint

    Haze is for Horses Hazy IPA by Morgan Territory In a Benediktiner glass from Clayton Oktoberfest.
  19. Positronic_Matrix

    What are you drinking now?

    I am drinking home-brewed Hefeweizen while I’m relaxing and Morgan Territory Moon Time hazy IPA when I’m ready to light the engines.
  20. Positronic_Matrix

    Need some ideas for what to put above my kettles and elsewhere in my garage

    I have stainless steel pegboards above my table that hold my various tools. I found that the stainless steel table, brewing vessels, electric pizza oven, and bread maker tie in perfectly with the stainless steel peg boards. It also makes me look super industrious with all my tools hanging up...
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