IceCap 2K Gyre Flow Pump (2000 GPH) fit check
IceCap 2K Gyre Flow Pump (2000 GPH) is a DC gyre flow pump rated 2000 GPH. On its own it supplies comfortable flow for about 100 gallons of soft coral, 65 gallons of mixed reef, or 40 gallons of SPS, before placement and mode settings.
IceCap 2K Gyre Flow Pump (2000 GPH): fits roughly 30-90 gallon systems. Specs, compatibility math, sizing risks, and alternatives before you buy.

Who it is for
Good fit for
- ✓ 30-90 gallon systems, per the catalog fit range.
- ✓ About 65 gallons of mixed reef or 100 gallons of soft coral on its own.
Not a fit for
- ✕ Tanks under about 30 gallons; it is sized above them.
- ✕ Systems over about 90 gallons without adding capacity elsewhere.
- ✕ SPS tanks over about 40 gallons unless paired with more flow.
Listed features
- gyre/sheet flow style
- pump only (controller sold separately or in bundle)
Compatibility math
Turnover contribution
Example: 2,000 GPH contributes about 27x 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.
- IceCap 2K Gyre Flow Pump (2000 GPH) fits roughly 30-90 gallon systems; confirm that range against the final display volume, sump volume, and livestock plan.
Alternatives to compare
- AquaIllumination Nero 3 Wave Powerhead (2000 GPH)
Same 2,000 GPH; compare format and features instead.
- IceCap 2K Gyre Flow Pump with WaveEngine LE Controller
Same 2,000 GPH; compare format and features instead.
- Hydor Koralia 3rd Generation 1950 GPH Powerhead
1,950 GPH vs 2,000: less flow for smaller systems.
Livestock this affects
- Red montipora capricornis
High flow need; plan strong, varied flow.
- Stylophora coral
High flow need; plan strong, varied flow.
- Mushroom coral
Low flow need; keep this pump's output indirect nearby.
- Ricordea mushroom
Low flow need; keep this pump's output indirect nearby.
Full spec snapshot
- Category
- Flow Pumps
- Build tier
- Balanced
- Estimated price
- $169
- Tank fit range
- fits roughly 30-90 gallon systems
- Format
- DC Gyre Flow Pump
- Maximum flow
- 2,000 GPH
Related reading
Questions
How many IceCap 2K Gyre Flow Pump (2000 GPH) 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 2,000 GPH rated, that is about 2 of these at full output, before return-pump flow and mode settings.
What tank size is the IceCap 2K Gyre Flow Pump (2000 GPH) for?
ReefCrafter's catalog fit range for it is 30-90 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 IceCap 2K Gyre Flow Pump (2000 GPH) against?
AquaIllumination Nero 3 Wave Powerhead (2000 GPH) (Same 2,000 GPH; compare format and features instead); IceCap 2K Gyre Flow Pump with WaveEngine LE Controller (Same 2,000 GPH; compare format and features instead); Hydor Koralia 3rd Generation 1950 GPH Powerhead (1,950 GPH vs 2,000: less flow for smaller systems).



