At Earth's Friend we take customer service and satisfaction seriously.Our customers questions, comments and suggestions are a very important tool in enabaling us in providing the highest quality gardening products to consumers as well as distributors. At Earth's Friend we are committed to developing, marketing and distributing the wants of an ever growing population of indoor-outdoor-hydroponic gardeners who are interested in maximizing their gardening efforts in the safest, healthiest possible way. When you purchase a product with the Earth's Friend logo on it, you can rest assured that you purchased a product that was scrupulously tested and is earth friendly. All of our products come with a 30 day money back guarantee! For more information on Earth's Friend Ind. Inc. click "Here"