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January 29, 2014
Last updated

How to Know When Fermentation Has Finished

Chief Operating Officer at Clawhammer
Outdated. New article here.

Emmet Leahy is the Chief Operating Officer and lead product developer at Clawhammer Supply, a small scale distillation and brewing equipment company. He loves the process of developing new equipment for making beer at home just as much as he does using it to brew his own beer. He's also passionate about teaching people how to use distillation equipment to produce distilled water, essential oils, and with the proper permits, fuel alcohol and distilled spirits.

  • Hello I’m new at this but I’m disabled an need a hoppy i have always like experimentating so i got 4gallons of sugar water an i can only find fleshmanns avtive dry yeast so how many packs to make it right thanks Ken

    Posted by Kenneth on January 03, 2015
  • I have a problem with the yeast, it will stop working after 36 hours. I have tried three types of yeast. After 36 hours I have almost no alcohol in the mash.

    Posted by Jim on December 11, 2014
  • To the question about the sugar to water ratio: 1 pound of sugar to a gallon of water will make good liquor

    Posted by pat on November 17, 2014
  • I am a beginner in the alcohol making process. I have a 15 litre/4 kg sugar wash fermenting now for 14 days and it is still fairly going strong. I use a balloon as air lock which is still 3/4 pumped up. I wait patiently until
    the balloon is lying down. I aerate the wash every 3 days for 3 min. I build myself a adjustable reflux still which I going to use when the mash is finished.

    Posted by Harry on November 07, 2014
  • I am making a gallon of homemade brew with Mountain Dew and 2 cups of sugar with approximately 2 tablespoons of turbo yeast , how long should I let it sit?,it’s temp is 75 to 80 degrees

    Posted by John on November 04, 2014
  • what can I do with the wash after it is distilled.
    i restate the mash but not sure about the wash?

    Posted by bill on September 28, 2014
  • what can I do with the wash after it is distilled.
    i restate the mash but not sure about the wash?

    Posted by bill on September 28, 2014
  • how long can i leave my mash after it has finished fermenting ? and would it spoil ? Im useing molasses and corn syrup to make my mash with out any grains

    Posted by dwayne on September 13, 2014
  • I have had my rum in a carboy for 10 days, and it is still fermenting like crazy. I used distillers yeast( not turbo) and 6lbs of cane sugar as well as 6lbs of molasses. Room temperature is at 74 degrees give or take. Should I be concerned that the fermentation is still happening vigorously?
    Thanks for any reply!

    Posted by Brian on June 28, 2014
  • I mixed my mash and it was fermenting good till about day 6 now its not doing anything could it be done. And if it is how long can I let it sit is 6 days to long

    Posted by parker on June 08, 2014
  • How long will it take till my mash is done . Its two bottle of corn syrup and one pound of super with two talbespoons of yeast .

    Posted by brandon muzzey on March 18, 2014
  • Can you distill a 5 gallon wash in a one gallon still if you do it a little at a time?

    Posted by Pat on February 13, 2014
  • Kyle,
    Great info, if you leave the mash in the fermenter and you have a good seal on the bung how long do you have to start the distillation process. Some of the things that I read said to start immediately or else the flavor will not be the best it could be.

    Posted by Greg Waters on January 31, 2014
  • About how many lbs of sugar per gal would tipicly be used.

    Posted by jim on January 30, 2014
  • Thanks for the info can you send me some places to get new stuff I work on the road and when I returned home this year I found that someone taken all of mine I have tried to track them down but have had no luck so I have decided to start all over thanks in advance Wayne

    Posted by wayne on January 30, 2014
  • please email me any new info at little_coonass@hotmail.com thnx;-))

    Posted by paul p on January 29, 2014


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