Staple food without dyes and preservatives for rasping and suckermouth bottom fish such as Ancistrus and plecos. Free from dyes and preservatives. With natural spirulina supports healthy digestion and development. The balanced composition with a high amount of fibers (from willow bark fibers and alder cones, among others) as well as natural spirulina supports healthy digestion and development. The quickly sinking chips become smooth in the water, keep their shape for at least 24 hours, and do not pollute the water.