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balanced
UnderLightBalancedFullOver
20 gal·6 species·Water change: 30% weekly
Aquarium Type
🌿Freshwater
Tank Dimensions & Volume
≈ 75.7 L
20 gal(75.7 L) · manual
Filtration & Setup
Oversized filtration adds bonus capacity.
Tank Age
Older tanks tolerate higher bioloads.
Stocking
Stock List
Popular species:
6 species
Red Cherry Shrimp
6
Pygmy Corydoras
6
⚠ Pygmy Corydoras should be kept in groups of 8 or more.
Otocinclus
6
Chili Rasbora
8
Nerite Snail
2
Honey Gourami
1
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Hey! I'm Finn 🐟 Tell me what you're going for — like "a peaceful 20 gallon community" or "betta paradise tank" — and I'll set everything up for you. You can also ask me to analyze your plan once you've filled it in.
Swim Zones
top
mid
bottom
Empty
Chili RasboraHoney Gourami
Pygmy CorydorasOtocinclusRed Cherry ShrimpNerite Snail
Compatibility
Compatible temp range:72–79°F (22.0–26.0°C)
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Try your own setup →These are estimates only. Real results vary based on your specific fish, feeding habits, tank maturity, filtration performance, and water chemistry. Always test your water regularly.