FOXFARM BUSHDOCTOR DUO (KELP ME KELP YOU & WHOLLY MACKEREL) BUNDLE + Twin Canaries Chart & PIPETTE - 1 PT PINT EACH Easy application No fishy smell Slow-release nitrogen It is a natural, organic seaweed extract derived from Norwegian kelp, Ascophyllum nodosum Liquid concentrate suitable for fruits, vegetables, lawns, gardens, flowers and hydroponic applications