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Aquarium Stocking Calculator

Calculate tank volume and safe fish stocking levels

Tank Dimensions

Add Fish

💡 Stocking Tips

  • 🐠 Use adult fish size, not current size
  • 💨 Consider bioload (waste production)
  • 🌊 Better filtration = more fish capacity
  • 🐟 School fish need groups (6+ tetras)
  • ⚠️ Aggressive fish need more space
  • 🌿 Live plants help water quality

📏 Common Fish Sizes

  • Neon Tetra: 1.5"
  • Guppy: 2"
  • Betta: 2.5"
  • Platy: 2.5"
  • Molly: 3-4"
  • Angelfish: 6"
  • Oscar: 12"
  • Goldfish (fancy): 6-8"