Organic Solid Waste Stainless Steel Composter 25 Kgs per day, The composter needs to be placed under a rainproof shed so that rainwater does not enter thesystem. The floor has to be solid and able to withstand.The system of layering helps in processing wet organic waste effectively. The organic wasteloses about 40-50% of weight and volume in one day before the next layer is placed on it. At theend of each composting cycle, we can expect around 25% of the input waste to compost