The Fresh Loaf

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Starter activity and bubble size

Keryn's picture
Keryn

Starter activity and bubble size

Hi all. I am very new to sourdough. I reactivated a dried starter about 1.5 weeks ago. Within a few days, it was doubling in size within 4 hours. Then it slowed down and wasn't rising as much. I increased the frequency of feedings from 1x/day to 2x/day and activity seemed to go up (doubling within 8 hours). I went back down to 1x/day and it's now rising about 66% in 8 hours. 

I have two questions: 

  • Is there a way to increase activity besides feeding more frequently? 
  • Even when my starter doubles, the bubbles I see through the sides of the glass jar are very small, almost not visible. There are a lot of larger bubbles coming to the top surface though. Basically- if the starter is doubling in size, is there an issue with the bubbles being small? 
andykg's picture
andykg

using warm water and leaving the starter in a warm environment will speed up the starter.

It can also depend on the the consistency of your starter on how well how high it rises, if its watery then it wont rise as much. Do you feed the same amount of flour and water?