The “Premium” Bat Guano for blooming plants. This ancient source of plant food has proven itself over the ages to be an effective way to achieve a successful harvest. Use Volcano Bat to encourage higher yields of vegetables, flowers and fruit and to aid in the production of essential oils and fragrances of flowers and herbs. Derived from highest quality bat phosphate guano in existence. For indoor/outdoor plants. Planting mixes, coco-coir and native soils. Available sizes: 2 lbs, 5 lbs, 20 lbs.