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Revision as of 11:33, 21 June 2021
https://thr34d5.org/
May - 20th July 2021
Hackteria.org joins thr34de Networks to grow big biger bigest Scobies ever
Think Big Kombucha leather
SCOBY leather is a flexible biomaterial that’s made from a symbiotic culture of bacteria and yeast (SCOBY). A SCOBY grows thicker with each brew as the culture feeds on the dissolved sugar, polyphenols and other nutrients in the freshly brewed and sweetened tea.Once the SCOBY achieves the desired size its harvested and treated just like traditional textile leather, this is followed by the drying process before being molded into shape. SCOBYs can be grown much more efficiently than leather, because it doesn’t rely on any animal products during production. Here you will find a manual to grow your own oversized Kombucha scoby.
How To
here an example of the scoby thr34de was growing some years ago. Most important ingredient as usually in fermenting is TIME
Ingredientlist for 1 basin
for construction
8 big wodden slats
2 thick plastic sheetings 3x4m
1 thiner plastic sheetings 4x5m
2 Kg of black or green tea (this is the most expensive cost)
8 liter of industrial vinegar
8 Kg of sugar
Material List:
padsaw
gaffa tape
drill
screws
plastic tarps 2x, 3x4m
big bucket at least 30 liters
additional plastic tarp for covering the floor
kombucha material list:
2 kilogram of Tea
8 liters of vinegar
8 kilogram of sugar
80 liters of of Water
2 people at least!
If you have an empty unused space its good to make sure you can seal the rooms,
so the smell emission during the brewing time will not be disturbing others.
here you see the tea we used, the more tea you use, the faster the scoby will grow,
using 2 Kg of tea can become a bit costy but it will enhance a fast growing process,
the highest investment point was the tea, finding a place that sells you cheap tea was also challenging.
Where to grow your big size kombucha scoby
Best ist if you find an abandoned building or you have lots of space in your rooftop, somewhere where you have access, you have windows to occasionally ventilate the room. A room that you can easly visit at least once a week and where the smell emissions will not disturb others too much. So the question of finding a suitable room is 1. to have the amount of space 2. no disturbance of other residencies and 3. closed room with windows to ventilate. I was at a residency at Cité International des Arts, Paris I saw there were some studios unoccupied and just took my courage to ask to use them. It turned out that they have and unused rooftop and gave me the entire rooftop floor to install my kombuchas there, where we were able to grow 4 scobies in one time. I cordially thank Cité International des Arts for their generosity and kindness!
Building Instruction
build a frame with the wooden latches of 2 x 2 m, prepare all the latches cutting them down to 2m. Attach them with long and thick screws into each other using support brackets inside the corners to enhance the stability of the frame. Cover the floor with a plastic tarp in any case of leaks. (You do not want the sugary vinegary tea liquid flow onto the floor.) Insert the thick plastic tarp into the frame and attach them by a staple pistole on the outside or top of the wooden latches. Keep and cut off the left over plastic tarp. (we used it to cover the windows and doors to avoid direct sunshine as well as smell emissions) Be aware of not causing wholes into the tarp. Install some DIY made trestles with the leftover wood on the outside of the floor covering tarp, to be sure if there is liquid leaking it will be hold by the second plastic tarp. It functions as double layer for more security.
Filling Process
The filling process will take you half a day, do not underestimate the amount of work. You will need to boil 25-30 Liters of tea to dilute the sugar into it. We used all the 2 Kg of tea and steadily boiled the water to pour into the big bucket you have extra. (we bought a solid black plastic box of 37 liters volume, but you can use any other kind of container that is big enough) Dissolve the sugar inside the bucket with the tea for 30 liters amount of tea. After it cooled down a little you can slowly pour it into the kombucha basin. Be aware that you filter off the tea-leafs while pouring it into the basin. Add another 50 Liters of water to disolve with the hot tea. The layer of tea at the end should be around 3-5cm so the scoby has a good amount of depth to grow into. (you want at least 1-2cm thick layer of kombucha skin).
Add the 8 Liters of vinegar into the liquid. that helps to avoid contamination from the beginning. Add the prepared starter kombucha, use big scobies and at least 1 Liter of starter liquid, if you have more starter liquid the better it is.
Growing Process
version 1: with contamination (still usable)
version 2: without contamination (perfect!)