Aqua Preta Black Earth - Large 40 - 55 gallon aquarium

Portioned for 40 gallon tall and 40 and 60 gallon breeder aquariums, 55 gallon and 60 gallon tall aquariums. Inadequate for 60 and 75 gallon tanks with a 48" width and 18" depth.  This amount will cover  an inch deep for these size tanks. Carefully level soil before capping with sand. Add 2 inches of clean sand on top of Aqua Preta Black Earth

•  100% natural—no synthetics or liquid ferts included or required, ever!
•  Supports beneficial bacteria and microfauna
•  Provides a natural environment for fish, shrimp, snails, and plants
•  Long-lasting root nutrition, never depletes.
• Once set up the system will never need to be changed, cleaned, or supplemented.