Kombucha Cultures Home

What is Kombucha What is Kombucha

The History of Kombucha Kombucha History

View the brewing or fermentation process of Kombucha with photos How to Make Kombucha Tea - Brewing Process with Photos

Problems with the Kombucha Culture Kombucha Culture Problems

Delicious Kombucha Tea or Fermented Drink Recipes Kombucha Recipes

The Health Benefits of drinking Kombucha Tea Kombucha Health Benefits - Healthy Digestive Tract

Kombucha Frequently Asked Questions FAQ's

Books on Kombucha Kombucha Books

Shipping details of Kombucha including how the Kombucha Culture is packaged for shipping Shipping Kombucha

< back


Mould on the Kombucha Culture / Mushroom / Fungus

What does Mold on a culture look like? Kombucha culture mushroom mold is a growth of dark coloured fuzz. It can be green, black, white or grey mold, but it is always fuzzy. It is caused by mould spores landing on the culture. If mould developes throw the batch out and start again. It is important to add at least 10% fermented Kombucha Tea at the start of each new batch to help reduce the risk of mould. The feeding solution, mother tea or ferment that is added to each new batch makes the solution acidic, and moulds tend to not grow well in an acidic solution. If you don't have enough mother tea you can use approximately ½ to 1 regular spoon of distilled vinegar per litre of tea. A good idea is to use disposable paper towels, tissues, clean handkerchief, anything that will allow the kombucha brew to breath but not allow mold spores in - always secure it with a rubber band. The cloth also needs to be very clean. Try not to place the fermenting brew in situations where mold is common eg: on the floor, under the sink, in a shower stall, in the bathroom, in the laundry room, in the garage. Other places that are not good are: The kitchen - The steam and fat odors are detrimental to the growth of Kombucha. Next to pots - There may be damaging bacteria in plant soil. Any room in which cigarette or similar smoke can occur is an absolute no! Cigarette smoking causes mould to grow on top of the culture. Kombucha loves warmth, so room temperatures of around 21° Centigrade/celcius (70° Fahrenheit) are good to grow the Kombucha culture. The optimal growth is in the range of about 27 - 29° Centigrade/celcius (80° to 85° Fahrenheit). If you can't provide this warmth try to get a low heating plate. Kombucha heating plates - Click HERE

If you really need to save your culture take the mouldy culture and remove all parts suspected of mould without touching the mould.  You want to be careful not to accidentally contaminate yourself or your working area. Carve up the culture, all you need is a small piece to regenerate a new culture.  You may want to carve the culture up into a couple of pieces to run parallel regeneration batches.  Take the uncontaminated pieces and submerse them in pure distilled vinegar for a couple of days.

My favourite method is to fill a spray bottle with distilled vinegar (white vinegar boiled for 10 minutes and cooled). Spray the top of the brew every couple of days until you feel that the threat of mould has gone.

  Kombucha in Australia - Contact - Links - Disclaimer - Testimonials  

You may reproduce portions of this website if you include the following acknowledgement with the hyperlink:

"Kombucha Tea ...get your Kombucha Culture"

Mould on your Kombucha Culture - How do I deal with mould on my Kombucha Mushroom - Kombucha - What's the Worst Thing That Can Happen? Mold!-