I discovered a couple of resources online to assist, such as CatInfo.org's food chart and Tanya's FelineCRF.org food lists. Even so, although pretty handy and great, I found these lists weren't specifically updated, and many of the foods cited as minimal phosphorous on All those lists were not beneath 0. https://pet-supplies-dubai01000.gynoblog.com/36821518/getting-my-dry-cat-food-royal-canin-to-work