Hydor Koralia Evolution Circulation Pump 750-850 GPH vs Hydor Koralia Nano Aquarium Circulation Pump

Overall winner: Hydor Koralia Evolution Circulation Pump 750-850 GPH

Key Differences

Hydor Koralia Nano (A) is designed for small tanks (aimed at 10–40 gallon) with a 240 GPH flow and a built-in cable protector, making it a compact, quieter option at a more affordable listed price tier. Hydor Koralia Evolution (B) offers much stronger flow (750–850 GPH) and a secure magnet mount for larger setups but has mixed durability reports with some failures after several years

Hydor Koralia Nano Aquarium Circulation Pump

Hydor Koralia Nano Aquarium Circulation Pump

Hydor • ★ 4.2/5 • Budget

Compact circulation pump with built-in cable protector, 240 gph flow, and adjustable direction for fresh or salt water tanks. Customers note strong flow, quiet operation, and good value for money

Pros

  • low power consumption
  • adjustable flow direction
  • magnet and suction cup support
  • suitable for multiple tank sizes

Cons

  • limited to specific tank sizes
  • requires magnet/suction setup
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Head-to-Head

CriteriaWinner
Price Hydor
Durability Hydor
Versatility Hydor
User Reviews Hydor