(I found this on the web, some basic home made fertilizers made of things most people can find at home. Have people tried these methods? Do they work with cannabis plants? I'm using store nutrients right now, but I hear they can be pretty harsh so I'm hoping I can find an easy home made alternative. thnx- enjoy and good luck!) Learn how to make your own fertilizer, and keep your garden green without spending a lot of green. Here are several great homemade fertilizer recipes to try: Epsom Salt Fertilizer Use in Place Of: Houseplant food Vegetable fertilizer Rose plant food What You Need: 1 Tablespoon Epsom Salt 1 gallon waterA watering can Preparation: 1. Combine the Epsom salt and water. 2. Use the solution to water your plants. 3. Repeat once a month. Why This Works: Epsom salt is made up of magnesium and sulfate both vital plant nutrients. Some magnesium-loving plants to try it on: houseplants, roses, peppers, tomatoes and potatoes. Coffee Ground Fertilizer Use in Place Of: Rose plant food What You Need: Used coffee groundsA cookie SheetNewspaper Preparation: 1. Line a cookie sheet with newspaper. 2. Then, spread your used coffee grounds out on the sheet, and allow them to dry completely. 3. Sprinkle the grounds around the base of your acid-loving plants. Azaleas, roses, rhododendrons and blueberries are just some of the plants that will benefit from this treatment. Note: Be careful not to over do it with the grounds. Even acid-loving plants can get too much acid. Why This Works: Coffee grounds are rich in nitrogen, magnesium, and potassium all important plant nutrients. They are also acidic, and help to maintain the acidity of the soil. Egg Shell Fertilizer Use in Place Of: Lime What You Need: Egg ShellsA blender What You Do: 1. Save your eggs shells, and allow them to air dry. 2. Then, place the dried shells in the blender, and pulse until they are powdery-fine. 3. Sprinkle in your garden. Why This Works: Eggs shells are made up almost entirely of calcium carbonate the main ingredient in agricultural lime. Vinegar Fertilizer Use in Place Of: Houseplant fertilizer Rose plant food What You Need: 1 Tablespoon white vinegar 1 gallon waterA watering can What You Do: 1. Combine the white vinegar and water. 2. Use the solution to water your plants. 3. Repeat every three months. Why This Works: The acetic acid in vinegar works to increase the acidity of the soil just the thing for acid-loving plants.