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Wave Black is an extracted liquid Humic Acid, that includes as a bonus a small percentage of Fulvic Acid, designed to upgrade your base nutrients, when used in watering and foliar feeding applications.
All Wave Nutrients products can be used in any soil, soil-less mixes like coco and peat moss, and hydroponics. For the best results with Cannabis plants, always use Wave Black with Wave Nutrients' 3-part premium fertilizer.
Use Wave Black during all stages of growth.