Humboldt Nutrients Royal Flush Gallon (4/Cs)

Royal Flush is a salt-eliminating, finishing solution for all plants growing in soil, potting mixes, soil-less rooting media, hydroponics and other gardens. Royal Flush can be used by the indoor and outdoor home gardener for all varieties of plants, such as flowers, vegetables, herbs, trees, berries, shrubs, ornamentals, annuals and perennials. Royal Flush is applied to all of your favorite plants in the final weeks of bloom.