Recent content by 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...
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