Kent Marine Chromaplex is a unique blend of aqua-cultures, naturally-occurring phytoplankton. Particles range in size from 5 to 25 microns, providing a broad range for filter-feeding marine invertebrates. Chromaplex contains essential fatty and amino acids, fiber, and high levels of caroteniods. Carotenoids have been shown to increase coloration intensity of blue, green, orange, yellow and red tissue pigments in filter-feeding marine invertebrates. May also be used to supplement and fortify live foods such as rotifers, daphnia, and brine shrimp, as well as larval fishes and invertebrates. Contains no yeast or sugars. Shipping weight: 1 1/4 lbs.