Sicce Voyager Nano 250 GPH Stream Pump fit check
Sicce Voyager Nano 250 GPH Stream Pump is a nano AC powerhead rated 250 GPH. On its own it supplies comfortable flow for about 15 gallons of soft coral, 10 gallons of mixed reef, or 5 gallons of SPS, before placement and mode settings.
Sicce Voyager Nano 250 GPH Stream Pump: fits roughly 5-20 gallon systems. Specs, compatibility math, sizing risks, and alternatives before you buy.

Who it is for
Good fit for
- ✓ 5-20 gallon systems, per the catalog fit range.
- ✓ About 10 gallons of mixed reef or 15 gallons of soft coral on its own.
Not a fit for
- ✕ Systems over about 20 gallons without adding capacity elsewhere.
- ✕ SPS tanks over about 5 gallons unless paired with more flow.
Listed features
- AC
- non-controllable
- magnet mount
- auto-cleaning impeller
- vibration-absorbing magnet
Compatibility math
Turnover contribution
Example: 250 GPH contributes about 3x 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.
- Sicce Voyager Nano 250 GPH Stream Pump fits roughly 5-20 gallon systems; confirm that range against the final display volume, sump volume, and livestock plan.
Alternatives to compare
- Tunze Turbelle Nanostream 6055 Controllable (250-1450 GPH)
Same 250 GPH; compare format and features instead.
- Hydor Koralia Nano 240 GPH Powerhead
240 GPH vs 250: less flow for smaller systems.
- Tunze Turbelle Nanostream 6015 (475 GPH)
475 GPH vs 250: more flow.
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
- $30
- Tank fit range
- fits roughly 5-20 gallon systems
- Format
- Nano AC Powerhead
- Maximum flow
- 250 GPH
Related reading
Questions
How many Sicce Voyager Nano 250 GPH Stream Pump 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 250 GPH rated, that is about 9 of these at full output, before return-pump flow and mode settings.
What tank size is the Sicce Voyager Nano 250 GPH Stream Pump for?
ReefCrafter's catalog fit range for it is 5-20 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 Sicce Voyager Nano 250 GPH Stream Pump against?
Tunze Turbelle Nanostream 6055 Controllable (250-1450 GPH) (Same 250 GPH; compare format and features instead); Hydor Koralia Nano 240 GPH Powerhead (240 GPH vs 250: less flow for smaller systems); Tunze Turbelle Nanostream 6015 (475 GPH) (475 GPH vs 250: more flow).
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