Description
xThe Danner Supreme Aqua-Mag 350 is a durable, oil-free magnetic-drive water pump engineered for continuous aquarium circulation, delivering up to 350 GPH for saltwater or freshwater systems.
Built to run quietly day and night, the Supreme Aqua-Mag 350 combines a magnetically driven impeller with an epoxy-encased power housing so it can be used submerged inside the tank or installed in-line within plumbing. Its fish-safe, oil-free design and energy-efficient operation make it suitable for reef tanks, freshwater displays, sumps, and return lines. The unit also includes a reusable debris pre-filter and meets UL/ETL safety certifications.
How much flow and power does this pump provide?
The Aqua-Mag 350 moves up to 350 gallons per hour while drawing a maximum of 35 watts (0.6 amps) on standard 120V / 60Hz power. That balance of flow and efficiency makes it a practical choice for moderate-sized systems that need steady circulation without high electrical cost.
- Maximum flow: 350 GPH
- Power consumption: up to 35 W / 0.6 A
- Voltage/frequency: 120 V / 60 Hz
- Recommended tank size: up to 40 gallons
Can I use this pump submerged and outside the tank?
Yes — the pump is designed for both submerged and in-line use, offering flexible placement options. When submerged it quietly circulates water; when installed in-line it can serve as a return pump or part of a filtration loop, keeping mechanical noise and vibration away from the display.
- Submersible operation for hidden, quiet placement
- In-line installation compatibility for sumps or plumbing runs
- 1/2" FPT inlet and 1/2" MPT outlet for standard fittings
- 10' cord for flexible positioning
What parts and protections help it run reliably in aquariums?
The pump uses a magnetic impeller assembly that separates the drive from the wet area, reducing wear and preventing oil contamination. The electrical components are sealed in an epoxy-encased housing for long-term protection, and the included reusable pre-filter captures particles to minimize clogging.
- Magnetically coupled impeller for oil-free, fish-safe operation
- Epoxy-encased power unit to resist moisture and corrosion
- Reusable debris pre-filter to extend service intervals
- Meets UL/ETL standards for safety and reliability
How large is the pump and what plumbing fits it?
The compact footprint lets you hide the pump in tight spaces or inside equipment cabinets. Standard 1/2" inlet and outlet threads accept common adapters and fittings, simplifying connections to tubing, hoses, or PVC plumbing.
- Dimensions: 5.0" L x 3.8" W x 4.2" H
- Inlet: 1/2" female pipe thread (FPT)
- Outlet: 1/2" male pipe thread (MPT)
- Cord length: 10' for flexible reach to power
Who is this for: Aquarium hobbyists who need a dependable, energy-conscious water pump for tanks up to about 40 gallons — ideal for reef keepers, freshwater enthusiasts, and anyone who wants a quiet, oil-free circulation solution that can be used inside the tank or tucked away in plumbing. The Danner Supreme Aqua-Mag 350 is also well suited for setups requiring standard plumbing connections and long cord reach.
FAQ
Q: Is the Aqua-Mag 350 safe for reef tanks?
A: Yes. The magnetic-drive impeller is oil-free and the pump is suitable for saltwater reef and freshwater tanks when used per instructions.
Q: Can I run this pump continuously?
A: Yes. It is designed for 24/7 operation with an epoxy-encased power unit and a reusable pre-filter to reduce maintenance.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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