What size pump would be good for a 125 gallon tank wirh a 40 gallon sump?

The first thing you need to know is what your overflow pipe, overflow box, or pipe work is rated for. So example is lets say your overflow box is rated 600 gph. This means your pump can not exceed 600 gph ever otherwise you will literally drain your sump into your tank. So in short what ever your outlet or exit pipes or overflow box gph is rated for is the max your pump can run. These Jebao can be turned down but not past 30%. So take the pumps rating and see what its output at 40% would be. Just in case the controller wont allow lower then 40% but the pump will still be viable down the road for larger set ups. I cant tell you what pump to get unless we know exactly what your rated outlet from the tank is rated for.

I'm confused with all the different models. we have the dc, dcp, dct, and dcs. which ones are the latest models?

I believe the DCP sine wave pumps are the newest models. These have a digital controller with a number output for the number of watts being consumed by the pump during normal operation. The screen switches to show percent pump output when using the power selection arrows on the controller in increments of 5% from 30%-100%.

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Jebao DCP-5000 Sine Wave DC Water Return Pump, 1,450 GPH

Jebao DCP-5000 Sine Wave DC Water Return Pump, 1,450 GPH

Product ID: 37784691

Details

Brand
Jebao
Color
Copper
Item Weight
5 pounds
Material
Ceramic
Maximum Flow Rate
24.16 gpm
Maximum Lifting Height
13 feet

⚡50% energy savings

💧1450 GPH max flow

🔇super quiet sine wave tech

₩291560

Duties & taxes included

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Elevate your aquarium game with silent, smart, and sustainable water flow.

BUILT TO LAST - Durable ceramic shaft and no copper parts mean longer life and safer water conditions.
ENERGY SMART DESIGN - Cut your power bill with a pump that uses up to 50% less energy than older models.
SMART SAFETY FEATURES - Memory function and motor protection guard your investment against power interruptions and blockages.
PRECISION FLOW CONTROL - DCP controller lets you dial in exact water movement for your aquarium’s unique ecosystem.
WHISPER QUIET OPERATION - Sine wave motor technology ensures near-silent performance, keeping your space peaceful.

The Jebao DCP-5000 is a high-performance, energy-efficient aquarium return pump delivering up to 1450 gallons per hour with whisper-quiet sine wave technology. Featuring a durable ceramic shaft, no copper components for tank safety, and a smart controller for precise flow and protective functions, it’s engineered for longevity and optimal aquatic environments.

Specifications

ASIN	B01MTVIZSF
Best Sellers Rank	#25,657 in Pet Supplies ( See Top 100 in Pet Supplies ) #62 in Aquarium Water Pumps
Brand Name	Jebao
Color	Copper
Customer Reviews	4.4 4.4 out of 5 stars (221)
Flow Rate	24.16 gpm
Included Components	Water pump, controller, power adapter
Item Dimensions L x W x H	9"L x 6"W x 6"H
Item Weight	5 pounds
Manufacturer	Jebao
Manufacturer Part Number	DCP-5000
Material Type	Ceramic
Maximum Lifting Height	13 feet
Model Number	DCP
Number of Items	1
Number of Packs	1
Power Source	Corded Electric
Product Style	DCP-5000
Specific Uses For Product	aquarium water circulation
UPC	651046602040
Unit Count	1 Count
Voltage	24 volts

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