Guerrilla Tabs 200 PiecesGuerrillaTabs are 10g, NPK 15 7 8, slow release organic fertilizer tablets. They condition the soil through microbiological activity while simultaneously fertilizing the plant. To be used indoors or outdoors, in soil or coco with vegetables, flowers, herbs, trees and shrubs that are potted or in ground. Use 4 tabs per 10 litre container. In ground plants: use 4 tabs per plant. Push the tabs 5 cm deep below soil level. Water plants.