I've been saving slurry and repitching for a while now and it's been working out great, but I am interested in moving from jars to vacuum bags. I don't know how tolerant yeast are of low pressure, though.
I can seal a bag once the machine pumps down to at least 50-60% vacuum. It does not have to be a hard, outer-space vacuum where the slurry starts to boil! But even under the most mild cycle, the yeast will drop from normal pressure to about half pressure in about 5 seconds. Then the machine seals the bag and normal pressure is restored over several more seconds.
So is that ride too much for yeast? I have no idea.
Any ideas?
Any ideas for a quick and easy assay of yeast health, so I could compare a bagged batch to a jarred batch?
You may be asking, why not just use jars? A few reasons I want to use bags...
- Ease of use. No cleaning jars ever again, just sanitize a new bag and go.
- Cost. Bags are literally a few cents each. If I want to buy a few more jars of the right size that accounts for a LOT of bags.
- Space efficient, compared to jars.
- I have bags of various sizes and I can bag anywhere from a couple ounces to a half gallon of slurry.
I appreciate any feedback!
I can seal a bag once the machine pumps down to at least 50-60% vacuum. It does not have to be a hard, outer-space vacuum where the slurry starts to boil! But even under the most mild cycle, the yeast will drop from normal pressure to about half pressure in about 5 seconds. Then the machine seals the bag and normal pressure is restored over several more seconds.
So is that ride too much for yeast? I have no idea.
Any ideas?
Any ideas for a quick and easy assay of yeast health, so I could compare a bagged batch to a jarred batch?
You may be asking, why not just use jars? A few reasons I want to use bags...
- Ease of use. No cleaning jars ever again, just sanitize a new bag and go.
- Cost. Bags are literally a few cents each. If I want to buy a few more jars of the right size that accounts for a LOT of bags.
- Space efficient, compared to jars.
- I have bags of various sizes and I can bag anywhere from a couple ounces to a half gallon of slurry.
I appreciate any feedback!