Small

Aqua Preta Black Earth small

Portioned for 10 gallon to 20 gallon tall aquariums. Inadequate for 20 gallon long (30") tanks. Use entire amount for 10, 15, and 20 tall gallon tanks. This amount will cover  an inch or a bit less 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.