Choose Tank Size and Budget
1-2 hoursSelect appropriate gallon capacity for target species and estimate startup equipment and stocking costs.
Field context
This workflow is part of 5 niche fields
Free step-by-step aquarium setup for aquarium beginners. Plan aquarium setup with calculators and checklists covering choose tank size and budget, cycle tank.
Select appropriate gallon capacity for target species and estimate startup equipment and stocking costs.
Run nitrogen cycle 4–6 weeks with test kits before adding fish — never stock on day one.
Research inch-per-gallon guidelines, compatibility, and bioload for chosen freshwater species.
Budget monthly filter media, water conditioner, food, and electricity for heaters and lights.
Freshwater community: 1 inch of fish per gallon (adult size) OR 1 cm per liter. Reduce 25% for heavy bio-load species.
Inspect silicone seals for leaks — resealing costs $40–$80 if failed.
Replacing all media at once crashes the cycle — rinse in tank water and replace partially.
Limit lighting to 8 hours daily — algae blooms spike with excess light and nutrients.