Essential Setup for a Saltwater Aquarium‌

  1. ‌Tank Selection‌
    • Minimum 40 liters (length ≥40cm), preferably ultra-clear glass for stability.
    • Avoid round tanks for better water circulation
  2. ‌Filtration System‌
    • ‌Berlin Method‌: 0.12kg live rock + 0.18kg live sand per liter to establish biological filtration.
    • Small submersible pump (e.g., mini pump) for water flow.
  3. ‌Lighting‌
    • Energy-efficient PC lights suffice for basic coral needs; DIY hoods enhance coverage.
  4. ‌Temperature Control‌
    • 50W/75W heater (e.g., Ebo Jager) to maintain 25°C.
  5. ‌Salinity Management‌
    • Marine salt mix to achieve 1.023 specific gravity (3.3%-3.5% salinity).
    • Hydrometer or refractometer for monitoring.
  6. ‌Maintenance & Health‌
    • Regular 0.3%-0.5% saltwater baths for disease prevention.
    • Disinfect equipment with 1-2ppm potassium permanganate or UV sterilization.
  7. ‌Stocking Guidelines‌
    • Follow the 1cm fish per liter rule to avoid overcrowding.

‌Optional Upgrades‌

  • Protein skimmer (for coral-heavy tanks).
  • Auto feeder and water quality monitors.

This configuration balances functionality and cost-effectiveness, ideal for beginners. Adjust based on species needs and budget.