Quellenstr. 7
70376 Stuttgart

From Stuttgart with    

Produced in the EU

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An alliance between nature & 
smart technology

Compost in 48 hours! 

This is how nature and tech work together


Natural components of every food are microorganisms. Such as bacteria and fungi.

They decompose the waste – and we use their superpowers in a smart new way. 


Speed it up! The inside of KALEA is equipped with sensors and an intelligent control system, which accelerates the required metabolism needed. A combination of the perfect temperature, humidity and aeration turns your food waste into a land of milk and honey for microorganisms. The result? KALEA is able to substantially reduce composting time from several weeks to only 48 hours.


Clean, convenient and safe: The automatic grinding, mixing and transfer of biomass ensure that you have nothing to take care of – except your excitement about fresh compost. 

KALEA combines smart design

with high-quality components

The thing about composting

Your kitchen waste is a bit like a fresh and full shopping bag. In order for your plants to use the nutrients, the "bag" must first be unpacked. This unpacking is called remineralization.


During the remineralization process, organic molecules are converted into inorganic minerals. This conversion is mainly done by omnipresent microorganisms such as bacteria and fungi, which are a natural part of our food.


During composting, the sugars, starch, proteins, fats, and at a later stage, cellulose is present in the waste that is broken down.

The compost quality can be influenced by providing optimal metabolic conditions for the microorganisms over a certain period of time. These conditions include temperature, pH-value, moisture, amount of oxygen and surface area. The better the conditions are met, the faster high-quality-compost is achieved. 

KALEA is the fastest way to create
more out of your kitchen waste

For your plants and for planet Earth

How biowaste in landfills significantly 

damages our climate  


Did you know that incorrectly disposed biowaste is more dangerous for the
climate than carbon dioxide? 

When organic waste is dumped in a landfill, it undergoes anaerobic decomposition (because of the lack of oxygen) and generates methane gas. Methane gas is a potent greenhouse gas – about 28 times more powerful than carbon dioxide at warming the Earth, on a 100-year timescale, and more than 80 times more powerful over 20 years.


Worldwide organic waste accounts for about 50% of the total amount of waste.

Burying organic waste in landfills is a significant problem and it’s not just because of the resources we lose.

This is one of the reasons why we wanted to bring a change to your daily waste game. Make an eco-friendly difference with KALEA. 

Sources: IPCC, EU Comission, UN EPA



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It’s all there – we just need a bit more time to make KALEA as perfect as possible. In the summer of 2020, we will launch KALEA via crowdfunding. 


Be the first to know! Our campaign will be released via newsletter and provide a highly limited discount – up to 50%! Be a super early bird and become one of our first supporters. Just sign up to our news list.