Udder Magic Whey Protein by Earth Science is a concentrated liquid plant food that promotes vigorous growth, rapid fruiting and flowering and improved harvests. This naturally fermented fertilizer contains immediately available nutrients for rapid results. Unlike other concentrated plant foods, Udder Magic has a pleasant, malty odor. One 24 oz. bottle makes up to 12 gallons of nutrient-rich plant food suitable for use on all indoor and outdoor plants.