However, in common with normal composting, it is best to avoid the following:Meat and fishCheeseBaked beansRice or pastaCooked potatoesToo much highly acidic food, such as citrus fruits and onionsGrass in too much quantityWeed seedsDiseased plant materialDog or cat excrement, as this can contain human parasites (This Researcher uses a 'Dog Waste Digester').1Necessary to prevent ingress of insects s