Heidi's Plant Pep™ is the perfect organic fertilizer brew for your indoor house plants. After years of research and development, master herbalist Heidi's final patented product of 21 herbs, granulated kelp, and greensand is offered to you in a user-friendly container including 12 handy brew bags with complete instructions. Providing your houseplants with 32 micro-nutrients is as easy as brewing a cup of tea. For easy storage, the mini bags are included in a 100% recycled box and will make a total of 20 gallons of fertilizer. Use every 2-3 weeks. In addition to having a pleasant scent, this brew will not burn plants and can be used directly on them as well. After you are finished brewing, complete the cycle and compost the brew bags and box! Heidi's Plant Pep was the first patented organic herbal fertilizer on the market. Safe for children and pets. No animals were used for testing this product. Made in New England. The box measures approximately 4" x 4" x 4".