Kindly donated by CaribSea, Eco-Complete is formulated rich basaltic volcanic soil which contains iron, calcium, magnesium, potassium, sulfur plus over 25 other elements to nourish your aquatic plants. Floraspore™ symbionts activate the root-substrate interface to facilitate the uptake of minerals which make for a healthier root and healthier plant. Iron rich Eco‑Complete™ eliminates the need for laterite. No artificial dyes, paints, or chemical coatings. Eco-Complete™ has highly porous spherical grains for optimum diffusion performance and contains live Heterotrophic bacteria to rapidly convert fish waste into natural food for your aquatic plants. It establishes a natural biological balance which makes cycling a new aquarium faster and safer.  20 LB.  Minimum set at $12.