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Hagen Flex Freshwater Kit - Black - 15 gal

  • Based on 3,512 reviews
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Availability: In Stock.
Fulfilled by Monster Pets

Arrives Thursday, Mar 6
Order within 22 hours and 34 minutes
Available payment plans shown during checkout

Color: Black


Size: 15 Gal.


Features

  • Stylish Fluval Aquarium: Contemporary design with curved front and honeycomb wrap that conceals water line and filter compartment sides
  • Customizable LED Aquarium Lights: Fully adjustable 7500K White + RGB LEDs for endless color blends and plant growth support; FLEXPad remote for special effects like lightning bolts and fading cloud cover
  • Powerful Fluval Fish Tank Filtration: 3-stage filtration with oversized mechanical, chemical, and biological media for superior water quality
  • Perfect Pet Supplies: Fish tank enclosure with multi-directional dual outputs for customized water flow; easy feed top cover opening
  • Innovation for Fish Keepers: Fluval innovates to foster a sustainable future where aquatic life and humankind can thrive in harmony

Description

If you're looking for a fish tank that combines style and functionality, the Fluval Flex 9 Aquarium Kit is the perfect choice. This Fluval aquarium is designed to enhance the colors of your pet fish with its fully adjustable 7500K LED lamp that supports plant growth and provides endless color blends. The LED aquarium light is fully customizable with White + RGB LEDs and is controlled via a FLEXPad remote that also offers fun special effects like fading cloud cover and lightning bolts.But the Fluval Flex 9 Aquarium Kit is more than just a beautiful fish tank—it also boasts a powerful 3-stage filtration that includes an oversized mechanical (foam), chemical (carbon), and biological (Biomax) media to provide superior water quality for your pet fish. The multi-directional dual outputs of this Fluval tank allow for customized water flow, and the hidden rear filter compartment and easy feed top cover opening make maintenance a breeze. With its stylish honeycomb wrap that conceals the water line and the sides of the rear compartment, the Fluval Flex 9 Aquarium Kit is a modern aquarium that will look great in any home. Suitable for freshwater use, this Fluval fish tank is the perfect pet supply for those who want to care for their pets in the best way possible. Fluval is on a mission to bring inspiration and innovation to fish keepers around the world. Through ground-breaking product technologies, educational initiatives, conservation efforts, and strong social media engagement, our brand speaks to all generations of hobbyists to foster a sustainable future where aquatic life and humankind can thrive in harmony.

Brand: Fluval


Target Species: Fish


Material: Glass


Tank Volume: 15 Gallons


Special Feature: Lightweight


Product Dimensions: 16"L x 15"W x 15"H


Item Weight: 12.72 Kilograms


Shape: Rectangular


Specific Uses For Product: Indoor


Style: Contemporary


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 15.94 x 16.73 x 15.94 inches; 28.04 Pounds


Item model number ‏ : ‎ 15006


Date First Available ‏ : ‎ December 12, 2016


Manufacturer ‏ : ‎ Rolf C. Hagen (USA) Corp.


Best Sellers Rank: #30,831 in Pet Supplies (See Top 100 in Pet Supplies) #117 in Aquarium Lights


#117 in Aquarium Lights:


Customer Reviews: 4.4 4.4 out of 5 stars 3,512 ratings


Item Weight: 28 pounds


Manufacturer: Rolf C. Hagen (USA) Corp.


Item model number: 15006


Date First Available: December 12, 2016


Item Package Dimensions L x W x H: 20 x 20 x 19.5 inches


Item Dimensions LxWxH: 15.94 x 16.73 x 15.94 inches


Item Weight: 12.72 Kilograms


Brand Name: Fluval


Target Audience Keyword: fish


Directions: Use as directed on packaging


Warranty Description: Manufacturer Warranty


Model Name: Hagen Flex Freshwater Kit - Black - 15 gal


Color: Black


Size: 15 Gal.


Material: Glass


Age Range Description: All Life Stages


Style: Contemporary


Included Components: Hagen Flex Freshwater Kit - Black - 15 gal


Specific Uses for Product: Indoor


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Mar 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Beautiful!
Color: White Size: 9 Gal.
The media could not be loaded. This is such a gorgeous fish tank. Well made and thought out. One gripe is I want the lid to tilt back so I don’t have to place it somewhere or hold it, but that’s really minor. My betta doesn’t have an issue with the current, but he’s a strong swimmer and short tailed. The filter is very nice, but I found the lighting confusing. The remote is weird. All in all, great tank and I’d buy it again. ... show more
Reviewed in the United States on January 15, 2025 by BG

  • We love this tank!
Color: Black Size: 15 Gal.
After dealing with multiple issues with BiOrb on Amazon, our School at a University decided to go a different route and try the Fluval Flex. It was not a disappointment at all. This is a very spacious and gorgeous tank that was easy to assemble and gorgeous to look at. Admittedly, I did have trouble with the remote to the fish tank light, but that's on me and not the tank (the sensor is at the top so you have to point at it which I wasn't doing). It's really fun to be able to change the colors and dim or brighten them. Very quiet and so far our fish are enjoying the added space. Incoming guests as well as the college students love coming in and watching the fish. Thank you Fluval for being wonderful (and for not being BiOrb)! ... show more
Reviewed in the United States on November 26, 2024 by Natalie King Natalie King

  • Nice quality tank!
Color: Black Size: 15 Gal.
I really like this tank! I was looking for a nice small tank for a planted aquarium. The bow on the front really makes the tank unique and adds a sharp expensive look to the tank. The quality of the glass is nice and the black beading on the back wall and the top rim of the tank really helps clean things up. It nicely hides all the equipment and pumps in the bank and give a nice look to the waterline. The light fixture came DOA, but the seller quickly replaced it and it is now working great. The light is bright and provides a lot of custom options. It may not be the strongest light for a planted tank, but sure looks like it will be more than enough for the plants I am growing. The real compartments are large enough for your own mix of equipment and filter media. The grates on the intakes are a nice touch and will keep small fry or shrimp out of the rear compartments. I added some small filter material inside these grates to further decrease the chance of fry or shrimp entering. The pump is quite strong and is completely silent. I cannot hear it run at all. The tank sits next to my bed and you wouldn't think it was even running. The tank also came with a nice mat for the bottom glass. Overall I am extremely happy with the tank. Ignore the bad or misleading reviews. Perfect planted tank. Great quality and a great price point. Thanks! ... show more
Reviewed in the United States on August 4, 2018 by Toby Wright Toby Wright

  • Lovely Addition to the Family
Color: Black Size: 15 Gal.
The Fluval Flex Aquarium Kit has transformed my space into a stunning aquatic oasis. Its sleek and contemporary design, complete with LED lighting, adds a touch of elegance to any room. Setting it up was straightforward, and the filtration system is efficient, keeping the water crystal clear. The curved front glass provides an unobstructed view of my fish and plants, creating a visually captivating display. However, the provided filter media could be of better quality. Overall, it's a fantastic kit for both beginners and experienced aquarists, offering a stylish and functional home for my aquatic friends. It's brought tranquility and beauty to my living space. ... show more
Reviewed in the United States on September 22, 2023 by Butterfly504

  • Gorgeous tank, faulty lighting
Color: Black Size: 9 Gal.
Ive had my tank almost a year now and its been great! The internal built in filter is low maintenance (rinse the medium now and then). It keeps my tank nice and clean looking and is very quiet. Ive never had any water parameter difficulties. I use black sand as a substrate and the filter has never picked up particles. Its very well made and looks/feels luxurious. I do need to take a star off because the built in lights started malfunctioning after about 6 months. It constantly flashes dark blue lights at random when lights are switched off. Ive tried every setting and unplugging, but nothing stops the lights except turning the lights on intentionally. It doesnt impact functionality at all and I have gotten use to it, but I do worry about the longevity of the LEDs with blue lights always flashing for no reason. ... show more
Reviewed in the United States on February 17, 2025 by Ashley B.

  • Fluval best around IMO
Color: Black Size: 15 Gal.
I already had the 9 gallon. So when I wanted an upgrade this was a no brainer. I love the fluval flex. Keep water clean, clear and the fish look happy. Tons of lighting options and it looks good too. Seller sent fast and is exactly what I needed. Thanks
Reviewed in the United States on February 15, 2025 by Jon

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