What is Bokashi Composting?

Bokashi ss composting is a method of quickly breaking down organic waste. Unlike conventional composting, a Bokashi system makes use of Effective Microorganisms (EM) that are added to the organic waste stored in a Bokashi bin.


The Bokashi composting process is more of a fermentation process than a conventional composting process. Air is not required for the organic matter to ferment. Because of this, the process is odour free and makes for a perfect kitchen compost bin. The system can be completely sealed, which removes any worries about insects or animals making a nuisance of themselves.


Using a Bokashi composter it is possible to compost foods scraps which can’t be added to traditional compost system. Meat, fish, cheese and cooked food waste are all welcome in a Bokashi composter. This is a great way of putting those extra nutrients to good use in the garden, rather than sending them to landfill.


During the fermentation process, a liquid can be drained from the organic matter. Most Bokashi bins have a tap to easily allow for this. This liquid, sometimes called Bokashi Tea, can be used in one of two ways. It can be used as an effective cleaner when poured directly down drains, or can be diluted and used as a great fertiliser.


The Bokashi composting process is quick. It usually takes around two weeks for the Effective Microorganisms to break down a standard Bokashi bin full of organic matter. Once fermentation is complete, the contents of a Bokashi bin do not look much like traditional compost. Because the organic matter has been fermented, rather than rotted, the end product looks quite similar to the scraps originally put into the Bokashi composter. However, by this stage the important work has been done and the scraps have been broken down into the types of nutrients which plants can use directly.


After fermentation, the organic matter can be added to a worm compost bin or buried directly in garden soil. If the matter is buried directly into the soil, it could take a month or two before it is completely incorporated into the soil, although this may be quicker depending on the soil temperature. During this process, no further attention is required. The fermented organic matter does not need to be aerated or turned as it would in a conventional composting system.


Bokashi Composting provides the ideal way to compost indoors. It is quick, simple, odour free and allows all food waste to be composted. It is a great way of turning food scraps into plant-ready nutrients, keeping waste out of landfill and recycling at home.

  1. Dave

    Thank you for posting such clear description of how the Bokashi composting method works

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