Carib Sea Eco Complete Black Planted Aquarium Substrate 20lb

20 lbs. Black. Natural substrate is ideal for most freshwater and saltwater aquaria. Stays cleaner than gravel. No dyes, paints or coatings.

- With no added dyes, paints or chemical coatings unlike most synthetic aquarium rocks

- Enhances the vibrant colors of aquarium plants

- Natural looking fish tank rock substrate that is long-lasting

- Contains essential live bacteria