20 Gallon Long Dimensions & Filled Weight
Highly desired for planted tanks and active swimmers like Corydoras due to footprint.
Quick Specs
Standard 20 Gallon Long Specifications:
- Dimensions (US & Metric): 30" × 12" × 12" (76.2 cm × 30.5 cm × 30.5 cm)
- Total Filled Weight: Approximately 225 lbs (102 kg) including water and standard gravel.
- Empty Tank Weight: 25 lbs (11 kg).
Measurements
- Gross Volume 20 Gallons
- Empty Glass Weight 25 lbs
- Approx. Filled Weight 225 lbs
Recommended Gear
- Target Filter Turnover 100 GPH
- Base Heater Wattage 100 Watts
How Much Sand Does a 20 Gallon Long Need?
A standard 1.5-inch bed requires approximately 30 lbs of aquarium sand or 15 L of active aqua soil.
Customize Substrate Bed →Floor Load & Stand Safety
At approximately 225 lbs, the 20 Gallon Long exerts a specific pounds-per-square-foot (PSF) structural load on your home's flooring. The footprint area is 2.50 sq. ft, meaning the raw PSF is roughly 90 PSF.
Standard Load: This aquarium weight is generally safe for modern residential flooring, provided it is placed on a level, structurally sound aquarium stand.
Frequently Asked Questions
What are the dimensions of a 20 Gallon Long in inches and cm? ▼
A standard 20 Gallon Long measures 30" L × 12" W × 12" H (76.2 cm × 30.5 cm × 30.5 cm).
How much does a 20 Gallon Long weigh filled? ▼
When filled with water and average substrate, a 20 Gallon Long weighs approximately 225 lbs (102 kg). Always ensure your stand and flooring can support this weight.
How much sand do I need for a 20 Gallon Long? ▼
For a standard 1.5-inch bed, a 20 Gallon Long requires approximately 30 lbs of aquarium sand or 15 L of active aqua soil.