ZKSJ BLUE DC Pump – 1600-30000L/H, 20-Speed, 4 Modes, Quiet

Home Aquariums · Large Display Tanks · Commercial Systems · Public Aquariums – 20-Speed Precision Control

Product Overview

The ZKSJ BLUE Series DC variable pumps feature 20-speed infinite variable control and 4 operation modes, delivering precise water flow from 1600L/H to 30000L/H. Ultra-quiet and energy efficient, with 24V low voltage safety – suitable for everything from 50cm small tanks to 300cm large professional systems.

Key Features

#	Icon	Feature	Benefit
1	🎛️	20-Speed Infinite Control	Precise flow adjustment for different tank needs
2	🌊	4 Operation Modes	Constant/Wave/Nutrient/Feed – switch freely
3	🔇	Ultra Quiet Operation	Advanced DC motor – near-silent
4	⚡	Energy Efficient	DC saves up to 40% vs AC pumps
5	🔒	Safe Low Voltage	24V – far below human safety voltage 36V
6	📏	Long Cables	Pump cable 150-200cm, power cable 200-250cm
7	🔄	Curved Turbine Design	Large flow · High energy efficiency · Strong stability

4 Operation Modes

Mode	Icon	Description
Constant Flow Mode	⏸️	Enters constant flow mode immediately after power on
Wave Making Mode	🌊	1-15 gear adjustment – creates waves by sudden difference between min/max output
Nutrient Transport Mode	🧪	Cycles from default to maximum output and back
Feeding Mode	🍽️	Press "FEED" – display shows "410" to activate

Product Specifications（Full Table）

Model	Flow	Head	Voltage	Max Power	Min Power	Pump Cable	Power Cable
BLUE1500	1600L/H	3M	DC24V	15W	5W	150cm	200cm
BLUE2000	2300L/H	4M	DC24V	30W	5W	150cm	200cm
BLUE3000	3000L/H	3.5M	DC24V	40W	10W	200cm	245cm
BLUE4000	4000L/H	4M	DC24V	50W	10W	200cm	250cm
BLUE6000	6000L/H	5M	DC24V	70W	20W	200cm	250cm
BLUE8000	8000L/H	6M	DC24V	85W	20W	200cm	250cm
BLUE10000	10000L/H	5M	DC24V	105W	30W	200cm	247cm
BLUE12000	12000L/H	6M	DC24V	115W	30W	200cm	247cm
BLUE20000	20000L/H	6M	DC36V	150W	30W	400cm	285cm
BLUE30000	30000L/H	8M	DC36V	220W	50W	400cm	285cm

📌 Data is manually measured and may have slight errors.

BLUE20000 / BLUE30000 Details

Item	BLUE20000	BLUE30000
Model	BLUE20000	BLUE30000
Flow	20000L/H	30000L/H
Head	6M	8M
Voltage	DC36V	DC36V
Max Power	150W	220W
Min Power	30W	50W
Pump Cable	400cm	400cm
Power Cable	285cm	285cm
Optional	63mm union interface	63mm union interface

Selection Guide（Updated）

Application	Recommended Model	Description
🏠 Home Small Tank (50-80cm)	BLUE1500 / BLUE2000	1600-2300L/H
🏠 Home Medium-Large Tank (80-120cm)	BLUE3000 / BLUE4000	3000-4000L/H
🏠 Home Large Tank (120-180cm)	BLUE6000 / BLUE8000	6000-8000L/H
🏢 Large Display Tank (180-250cm)	BLUE10000 / BLUE12000	10000-12000L/H
🏢 Commercial Systems/Large Ponds	BLUE20000	20000L/H, 6M Head
🏛️ Public Aquariums/Large Projects	BLUE30000	30000L/H, 8M Head

Optional Accessories

Model	Optional Accessory
BLUE20000 / BLUE30000	63mm union interface (optional)

What's Included

#	Accessory	Qty
1	ZKSJ BLUE Pump	1
2	Power Adapter	1
3	Controller	1
4	Installation Accessories	1

❓ FAQ – Frequently Asked Questions

Question	Answer
What does 20-speed infinite control mean?	Stepless adjustment from gear 1-20 – precise flow matching for different tank needs.
What are the 4 modes?	Constant Flow Mode, Wave Making Mode, Nutrient Transport Mode, Feeding Mode.
Is the voltage safe?	DC 24V – far below human safety voltage 36V – completely safe.
How much energy does it save vs AC?	DC technology saves up to 40% compared to AC pumps.
Are the cables long enough?	Pump cable 150-200cm, power cable 200-250cm – flexible installation.
What's special about BLUE20000/30000?	High-flow commercial models – optional 63mm union interface available.
Do you offer customization?	Yes! OEM/ODM services available – contact us for details.