Biohome 'Standard'—ideal for internal, small external, HOB, and overhead aquarium filters. With 20+ years of proven use, this premium sintered glass media offers excellent bacterial colonization thanks to its 42% porosity.

1-Pound is suitable for a nano tank with a maximum size of 10 gallons. Perfect for a hang-on-back filter.

2 pounds is suitable for a maximum tank size of 25 gallons.

5 pounds is suitable for a 50-gallon tank.

(This is a rough estimate. You may require more or less media depending on the number of livestock present in your aquarium)

• Made from premium-quality sintered glass

• Extremely porous with a unique structure, allowing excellent water absorption

• Suitable for canister, HOB (hang-on-back), and sump filters

• Promotes odorless and clear water by minimizing algae growth caused by imbalanced nutrients

• Helps control ammonia, nitrite, and nitrate levels

• Provides an ideal habitat for beneficial bacteria