This recipe contains ammonia which provides nitrogen that is essential for plant growth and encourages lush green foliage (1) tsp baking soda (1) tsp epsom salts (1/2) tsp pure ammonia (1) gallon distilled water 1. Mix the baking soda and epsom salts in a large container, add ammonia and water 2. Mix well 3. Transfer the fertilizer solution to a watering can or spray bottle. 4. Use the fertilizer to water your houseplants as needed