Reduce protein which is hard on your kidney(s) and reduce your minerals because they are not being filtered out at a normal rate.
Protein: You can get all the protein you need from plant sources.
When eating fruits and vegetables look for the lowest potassium content: https://nutritiondata.self.com/tools/nutrient-search
Reduce phosphorus: drink only clear soda, reduce chocolate
Sodium (salt) to the maximum extent possible don't eat processed foods.
Helpful:
https://nutritionfacts.org
https://cronometer.com