I discovered several methods online to help you, which includes CatInfo.org's food chart and Tanya's FelineCRF.org food lists. Nevertheless, even though pretty handy and amazing, I discovered these lists were not just updated, and a lot of the foods cited as small phosphorous on those lists weren't down below 0. https://dog-food54209.worldblogged.com/41768259/a-review-of-pet-store-jlt