Refugium Mineral Mud 1 gal

The ideal substrate for refugiums, it supplies trace elements, iodine, minerals, and nutrients, helping create a beneficial environment for aquarium food such as copepods, burrowing worms, decapods, and other sump organisms. It can also help boost your refugium's filtration, as it supports many types of nitrifying bacteria. Similar to varied sand in texture, its layers include marine bacteria, organic rich clay, iodine and chelated-element rich substrate, and super-fine aragonite organic acids. 1 gallon.