# Free Aquarium Stocking Calculator | Gulf Coast Aquatics

> Estimate safe stocking for your freshwater community tank by tank size, filter flow, and adult fish size. Free tool from a Sarasota fish store.

URL: https://gulfcoastaquatics.locuspilot.com/tools/aquarium-stocking-calculator/

## Aquarium Stocking Calculator

Estimate safe stocking for a freshwater community tank based on tank size and filter turnover.

Tank Size (US gallons)

Net tank volume in US gallons (subtract ~10% for substrate and rock).

Filter Flow Rate (GPH)

Rated gallons-per-hour of your filter. Aim for 5-10x tank volume for community tanks.

Average Adult Fish SizeSmall (1-2 inches - tetras, rasboras, danios)Medium (2-4 inches - corys, dwarf gouramis, peaceful barbs)Large (4-8 inches - angelfish, larger gouramis, plecos)

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