Espoma GR16 16-Ounce Gro-Tone All Purpose Plant Food Concentrate Pleasant mint scent Will not burn leaves or roots Will not clog drip systems or sprayers All purpose plant food Concentrate derived solely from farm raised catfish that have been fed a strict diet of grains, minerals and vitamins The proteins from fish are uniquely processed to preserve the nutrients and produce an all natural organic plant food that won't clog drip systems and sprayers For organic gardening