Sunday, April 28, 2013

CO2 Recipe #2

My last DIY CO2 recipe was started on 04/12/2013, and stopped on or before 04/28/2013. So it worked for about 16 days.

Today, 04/28/2013, a new CO2 recipe started:

  • 1/4 teaspoon of EC-1118 Wine yeast
  • 3 cups of sugar
  • 2 spoon of milk
  • 1ml of baby multi-vitamin 
I chose that yeast because it is for wine and has higher alcohol tolerant (18%). So it should last longer. I also added one more cup of sugar to make sure the yeast don't run out of food before die out. 

Day 1 morning, about 14 hours after it was setup, it is giving 1 bubble every 6 seconds.
Day 3, about 1 bubble every 3 seconds.
After I change the DIY bubble counter to a glass one, it reads 1 bubble per second. The rate is consistent in last two weeks.
Day 21, now produce rate dropped to less than 0.5 bps. Maybe should replace now.

05/21/2013, the bottle only producing 1 bubble every 3 second, so I decided to replace it. The liquid is still somehow sweet, and acid, so the sugar is not used up.

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