I found a handful of methods online to help you, which includes CatInfo.org's food chart and Tanya's FelineCRF.org food lists. Nevertheless, whilst very handy and excellent, I discovered these lists weren't exactly up to date, and a number of the foods cited as small phosphorous on those lists were not https://fish-food09764.wikidirective.com/7546081/the_pets_online_diaries