Dophin · Water / return pump
AA Series Submersible Pump
- Flow
- 300–4,300 L/h
- Power
- 4.3–125 W
A sump return or water-transfer pump where you need decent head height for the money.
8 models
Boyu · Water / return pump
Boyu SP-100 / SP-101 Series Powerhead
A long-running range of small submersible powerheads with a venturi tube, a flow adjuster and an optional spray nozzle. Nine sizes run from a tiny 300 L/h unit to 1,850 L/h. Useful as a return pump, for driving an undergravel plate or just adding surface movement.
Updated
300–1,850 L/h4.5–35 W9 models
Will it suit my tank?
litres
Best for
Anyone needing a cheap general-purpose pump for circulation, a DIY filter or a small sump return.
Worth knowing
The venturi and spray bar add a lot of surface agitation, which is not what you want on a CO2-injected tank.
What stands out
- Nine sizes, 300 to 1,850 L/h
- Venturi air injection and adjustable flow
- Ceramic shaft, fully sealed motor
- Clip-off intake strainer for cleaning
Models and specs
| Model | Flow | Max head | Power | Dimensions (L × W × H) |
|---|---|---|---|---|
| SP-100 | 300 L/h | 0.5 m | 4.5 W | 7.3 × 5.3 × 7.3 cm |
| SP-101-400 | 480 L/h | 0.5 m | 5 W | 17.8 × 10 × 23.7 cm |
| SP-101-600 | 550 L/h | 0.7 m | 6 W | 17.8 × 10 × 23.7 cm |
| SP-101-800 | 630 L/h | 0.9 m | 7.5 W | 17.8 × 10 × 23.7 cm |
| SP-101-1000 | 720 L/h | 1 m | 9.5 W | 17.8 × 10 × 23.7 cm |
| SP-102-1200 | 1,200 L/h | 1 m | 19 W | 21.6 × 10 × 26.2 cm |
| SP-102-1600 | 1,400 L/h | 1.2 m | 20 W | 21.6 × 10 × 26.2 cm |
| SP-103-2000 | 1,700 L/h | 1.5 m | 25 W | 23.4 × 10 × 28.1 cm |
| SP-103-2400 | 1,850 L/h | 2 m | 35 W | 23.4 × 10 × 28.1 cm |
- Brand
- Boyu
- Voltage
- AC 230/115 V, 50/60 Hz
- Shaft
- Ceramic
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
Browse all pumps
Dophin · Water / return pump
ECO DC Variable Pump
- Flow
- 6,000–10,000 L/h
- Power
- 70–115 W
A sump return on a large tank where turning the flow down precisely matters more than raw price.
3 models
Dophin · Water / return pump
P Series Submersible Pump
- Flow
- 320–3,000 L/h
- Power
- 5.1–88 W
Driving a DIY filter, a sump return or a water-change setup on a budget.
7 models
Dophin · Water / return pump
P-608 / P-908 Power Head
- Flow
- 1,080–1,550 L/h
- Power
- 16–29 W
Driving a top filter or giving an old-school tank extra flow.
2 models
Frequently asked questions
Quick answers about the Boyu SP-100 / SP-101 Series Powerhead, drawn from its specs.
Who is the Boyu SP-100 / SP-101 Series Powerhead best for?
Anyone needing a cheap general-purpose pump for circulation, a DIY filter or a small sump return.
Is there anything to watch out for with the Boyu SP-100 / SP-101 Series Powerhead?
The venturi and spray bar add a lot of surface agitation, which is not what you want on a CO2-injected tank.
What are the alternatives to the Boyu SP-100 / SP-101 Series Powerhead?
Other pumps worth comparing: Dophin AA Series Submersible Pump, Dophin ECO DC Variable Pump, Dophin P Series Submersible Pump. Add any of them to the compare table to see the specs side by side.
What sizes does the Boyu SP-100 / SP-101 Series Powerhead come in?
9 options: SP-100, SP-101-400, SP-101-600, SP-101-800, SP-101-1000, SP-102-1200, SP-102-1600, SP-103-2000, SP-103-2400.