Fox Farms Organic Big Bloom Liquid Plant Food 0.01 - 0.3 - 0.7 is Excellent for houseplants and hydroponics! Works instantly on indoor and outdoor potted plants, roses, herbs, vegetables, berries, fruit trees, flowers, shrubs, orchids, gardenias, hibiscus, ornamentals, azaleas, rhododendrons, annuals and perennials. Derived from Earthworm castings, Bat Guano, Seabird Guano, Rock Phosphate, Sulfate of Potash, Magnesia and Norwegian Kelp. Big Bloom is a potent, fast acting source of nutrients for both plants and soil. General feeding - 4 Tablespoons per gallon of water once per week. 1 pint, 1 quart or 1 gallon concentrate.