If you are growing plants that you plan on eating, you will want to know what was used to feed those plants. One way to be sure is to create your own homemade plant food. Homemade plant food can also be used to help non-edible plants grow healthy and strong. Using your own ingredients to feed your plants is also better for the environment.
Pour a gallon of water in to a pot and bring it to a boil. Then turn the heat off.
Let the water cool a bit and then add Epsom salts, potassium nitrate, baking powder and ammonia.
Mix until all ingredients are well-combined.
Use it immediately on your plants, or store it in a gallon jug to use at a later date.