What can I feed the system?
Kitchen Waste: Food waste such as rice, cheese, meat, cooking oil, vegetable peels, fruit and any other “wet” food waste.
Avoid feeding; large quantities of citrus fruit peel – these contain anti-bacterial oils which could reduce the effectiveness of digestion
Large quantities of cooking oil (up to 50ml/1.7oz a day) – this could reduce the pH level in the tank and slow down digestion.
Animal Manure: Free from stones, straw and earth, well mixed with an equal quantity of water to create well wetted slurry.
Dog or cat waste – Add without the sand.
Chicken/poultry Droppings: Up to 50% of total waste (the rest should be kitchen waste). The high ammonia content will raise the pH in the system.
Maximum daily feeding quantities: 12 litres of kitchen waste or 40 litres of animal manure slurry (animal manure well mixed with an equal amount of water). You may combine kitchen waste with animal manure.
Do not feed the system
Wood shavings, straw, earth, sand, tree branches, paper, metal, plastic, glass, or any non- organic liquid
How do I activate the system?
Once the system has been assembled it will need to be filled with 1200 litres of water and then you will need to add 100 litres of fresh animal manure from grass eating animals such as cows, sheep, goats, horses or pigs.
The ideal time to activate the system is in summer as it is necessary that the average ambient temperature is at least 25 deg. If the temperature is lower then an aquarium heater will need to used for the first 3-4 weeks until the system starts producing cooking gas. Once activated a minimum ambient temperature of 20 deg is acceptable.
What are the dimensions of the system?
When fully assembled and producing gas the dimensions are; Length 2100mm, Width 1150mm, Height 1250mm.
Where can I install the system?
Ideally in a sunny location within 20m downhill from where you plan to install the cooker.