Ss Brewing Technologies Giveaway!

Home Brew Forums > Wine, Mead, Cider, Sake & Soda > Kombucha & Fermented Tea Forum > Hydrometer useful for Kombucha?
Reply
 
LinkBack Thread Tools
Old 01-14-2014, 02:26 AM   #1
mrtoad
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jan 2014
Posts: 2
Default Hydrometer useful for Kombucha?

Does anyone know if a hydrometer is useful for Kombucha or of any discrete measures for testing kombucha?

Thanks

__________________
mrtoad is offline
 
Reply With Quote Quick reply to this message
Old 01-14-2014, 10:08 AM   #2
kyt
HBT_SUPPORTER.png
Feedback Score: 0 reviews
 
kyt's Avatar
Recipes 
 
Join Date: Sep 2013
Location: Louisville, Kentucky
Posts: 441
Liked 42 Times on 40 Posts
Likes Given: 57

Default

It's not very useful because of the acids and other stuff made by the bacteria throw off the reading. Measuring pH is the most useful. You can do residual sugar test like for wine, but tasting it works about the same.

Sent from my SGH-M919 using Home Brew mobile app

__________________
  • Philosopher's Stone - on-tap
  • Oatmeal Raisin Cookie - on-tap
kyt is offline
 
Reply With Quote Quick reply to this message
Old 01-15-2014, 02:28 AM   #3
mrtoad
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jan 2014
Posts: 2
Default

Thanks kyt. Do you have a pH range in mind for what people would generally consider finished kombucha?

__________________
mrtoad is offline
 
Reply With Quote Quick reply to this message
Old 01-15-2014, 10:32 AM   #4
kyt
HBT_SUPPORTER.png
Feedback Score: 0 reviews
 
kyt's Avatar
Recipes 
 
Join Date: Sep 2013
Location: Louisville, Kentucky
Posts: 441
Liked 42 Times on 40 Posts
Likes Given: 57

Default

Yes pH 2.5-3.5
My harvest is typically ~3.2 after 7 days with just the right amout of residual sweetness. Keep in mind, pH is not indicative of a finished fermentation. These are separate processes that occur pretty much simultaneously.

Sent from my SGH-M919 using Home Brew mobile app

__________________
  • Philosopher's Stone - on-tap
  • Oatmeal Raisin Cookie - on-tap
kyt is offline
 
Reply With Quote Quick reply to this message
Old 01-15-2014, 02:52 PM   #5
saramc
Feedback Score: 0 reviews
Recipes 
 
Join Date: Feb 2011
Location: suburb of Louisville, KY
Posts: 1,743
Liked 146 Times on 132 Posts
Likes Given: 1

Default

Kombucha needs to be below pH 4.0 from a safety standpoint as an aceto-based ferment. With different tea blends you will find a different preference point. My personal preference runs from 2.8-3.2.
pH testing comes in handy when your sense of taste is off, no second guessing when to harvest, when you know your preferred pH for that blend.

__________________

Motto: quel che sara sara

saramc is offline
 
Reply With Quote Quick reply to this message
Reply



Quick Reply
Message:
Options
Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
New To Kombucha Vance71975 Kombucha & Fermented Tea Forum 11 08-27-2013 05:48 PM
Kombucha jambafish Fermentation & Yeast 2 12-13-2012 04:10 PM
I want to try Kombucha. Vance71975 Kombucha & Fermented Tea Forum 2 06-29-2011 11:43 PM
Kombucha Ban TxBrew Kombucha & Fermented Tea Forum 23 02-26-2011 04:12 PM
Kombucha digdan Recipes/Ingredients 3 12-14-2006 06:35 PM