Hydor Koralia Evolution 600 GPH Powerhead fit check
Hydor Koralia Evolution 600 GPH Powerhead is an AC powerhead rated 600 GPH. On its own it supplies comfortable flow for about 30 gallons of soft coral, 20 gallons of mixed reef, or 10 gallons of SPS, before placement and mode settings.
Hydor Koralia Evolution 600 GPH Powerhead: fits roughly 15-40 gallon systems. Specs, compatibility math, sizing risks, and alternatives before you buy.
Who it is for
Good fit for
- ✓ 15-40 gallon systems, per the catalog fit range.
- ✓ About 20 gallons of mixed reef or 30 gallons of soft coral on its own.
Not a fit for
- ✕ Tanks under about 15 gallons; it is sized above them.
- ✕ Systems over about 40 gallons without adding capacity elsewhere.
- ✕ SPS tanks over about 10 gallons unless paired with more flow.
Listed features
- AC
- non-controllable
- magnet mount
- ball-jointed nozzle
Compatibility math
Turnover contribution
Example: 600 GPH contributes about 8x turnover on a 75g tank before placement and mode settings.
The planner adds all flow pumps together and compares the total to the reef goal.
Risk notes
- Too little flow leaves dead spots. Too much direct flow can strip tissue from LPS and irritate soft corals.
Professional fit context
- Check controllability, broadness of flow, glass thickness, GPH range, and whether two smaller pumps beat one large one.
- Hydor Koralia Evolution 600 GPH Powerhead fits roughly 15-40 gallon systems; confirm that range against the final display volume, sump volume, and livestock plan.
Alternatives to compare
- Tunze Turbelle Nanostream 6025 (660 GPH)
660 GPH vs 600: more flow.
- Sicce Voyager Nano 530 GPH Stream Pump
530 GPH vs 600: less flow for smaller systems.
- Tunze Turbelle Nanostream 6095 Controllable (528-2510 GPH)
528 GPH vs 600: less flow for smaller systems.
Livestock this affects
- Stylophora coral
High flow need; plan strong, varied flow.
- Acropora
High flow need; plan strong, varied flow.
- Ricordea mushroom
Low flow need; keep this pump's output indirect nearby.
- Acan coral
Low flow need; keep this pump's output indirect nearby.
Full spec snapshot
- Category
- Flow Pumps
- Build tier
- Budget
- Estimated price
- $35
- Tank fit range
- fits roughly 15-40 gallon systems
- Format
- AC Powerhead
- Maximum flow
- 600 GPH
Related reading
Questions
How many Hydor Koralia Evolution 600 GPH Powerhead pumps does a 75 gallon mixed reef need?
A 75 gallon mixed reef wants about 2,250 GPH of total flow by ReefCrafter's 20-40x rule. At 600 GPH rated, that is about 4 of these at full output, before return-pump flow and mode settings.
What tank size is the Hydor Koralia Evolution 600 GPH Powerhead for?
ReefCrafter's catalog fit range for it is 15-40 gallon systems. Confirm that against your final display volume, sump volume, and livestock plan rather than the box label alone.
What should I compare the Hydor Koralia Evolution 600 GPH Powerhead against?
Tunze Turbelle Nanostream 6025 (660 GPH) (660 GPH vs 600: more flow); Sicce Voyager Nano 530 GPH Stream Pump (530 GPH vs 600: less flow for smaller systems); Tunze Turbelle Nanostream 6095 Controllable (528-2510 GPH) (528 GPH vs 600: less flow for smaller systems).
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