Tank’s SuperMix Organic Fertilizer is a powerful, chemical-free fertilizer designed to support plant growth throughout any stage. 100% OMRI listed organic, easy to use, and safe for all organic gardening applications. Tank’s SuperMix Organic Fertilizer contains 16 natural and organic ingredients including worm castings, heat treated bat guano, biochar, kelp meal, and more. Great for veggies, flowers, trees, fruit, cacti, and citrus. Recommended application is ½ cup per square foot.