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The Green Johanna compost bin is different from a standard compost bin. Through innovative design it can safely handle both garden and all food waste, producing an excellent quality compost. It is designed to be rodent proof and is well insulated. This
means that the composting process is quicker than in a standard compost
bin and you can put in all types of food waste, including cooked food,
bones, fish and meat, which should not be added to a standard compost
The Green Johanna is a unique, closed, hot composting system
manufactured in Sweden. This patented unit provides good ventilation
and is easy to empty yet does not allow pests to access the contents.
It will compost two parts cooked or uncooked food waste (including meat, fish, bones, dairy products, vegetables and fruit) to one part garden waste and produces a rich compost.The Green Johanna is available with an insulating jacket which allows
successful composting throughout the year.
The winter jacket helps to speed up the composting process in
wintertime when the composting process slows down due to low air
temperature. The jacket should be fitted when the average temperature
falls below 40° F and removed when the temperature is consistently
above 50° F.
Waste food can be disposed of immediately.
It's easy to set up and maintain.
Saves 20% of household waste being collected.
Reduces need for landfill and large-scale treatment plants.
Reduces methane production which is a greenhouse gas.
Where should you locate a Green Johanna?
Try to have the
Green Johanna as close to the kitchen as possible since you may want to
put food waste in up to 4 times a week. The composter should stand on
soil or grass so that the worms can get in through the holes in the
base. A good place is among trees so that it can benefit from their
shade. They will also offer a certain amount of protection from the
cold in winter.
What items can I put in my Green Johanna compost bin?
From the kitchen: Fruit, vegetables, dairy products, fish, shellfish, meat, bones, coffee grounds with filter, teabags, eggshells, bread, sauce, soup, egg cartons and many others.
From the garden: Grass*, leaves**, twigs and branches. Even WEEDS can be put in the Green Johanna! And because temperatures are so high, weeds will never grow from the unit!
*Avoid large amounts of grass as this can prevent oxygen getting through and slow or stop the process entirely.
**Since oak leaves contain a high level of tannic acid, it takes a long time for them to be turned into compost. In order to speed up the process you should first put them in a sealed (vacuum if possible) plastic bag for a month or two.
NEVER deposit glass, plastic, rubber, paint, chemicals or fabrics in the Green Johanna
FAQS Can I put cat and dog litter in my compost?
You should avoid this, as it can be toxic. You would not wish to spread this on the garden.
Can I just throw everything in the compost in no special order?
No, you should put material rich in carbon and material rich in nitrogen in layers. Each layer should be up to 2 inches thick.
Caron Rich Materials include: Sawdust, twigs, leaves and paper.
Nitrogen Rich Materials include: Eggs, fish and meat. Newly cut grass also contains a lot of nitrogen.
What kind of paper from the household can be thrown into the compost bin?
Unbleached crepe paper, napkins, coffee filter, torn egg cartons and daily papers (if they are lead free). Newspapers should be avoided, due to the risk of lead in the ink.
Is it important that I stir the contents?
Yes, the micro-organisms living inside the compost need oxygen to be able to work.
How long will it take before the contents are "ready"?
For the first batch approximately six months, thereafter every three to four months.
How often should I empty my Green Johanna?
At least twice a year, spring and autumn.
Note: It is important to remember to remove the jacket when the temperature
rises. This is because if the compost becomes too hot the creatures
which make compost can die, halting the composting process.