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Fluval 12697 Natural Mineral-Rich Volcanic Soil Bio Stratum for Planted Tanks, 8.8 lbs. - Aquarium Substrate for Healthy Plant Development, Growth, and Color

  • Based on 466 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Tuesday, May 6
Order within 8 hours and 27 minutes
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Color: Bio-Stratum


Size: 8.8 Pound (Pack of 1)


Style: Substrate


Features

  • Promotes Robust Plant Growth: This aquatic soil helps enrich plant development and fosters vigorous growth with vibrant coloration, ensuring your aquarium thrives with lush foliage
  • Activates Beneficial Water Conditions: Infused with dormant nitrifying organisms, our aqua soil activates upon contact with water, swiftly breaking down waste and initiating the nitrogen cycle for a balanced aquatic ecosystem
  • Stabilizes Water Conditions: Rapidly reducing ammonia levels, Fluval soil helps stabilize water conditions in new aquariums, ensuring a healthy environment for your aquatic inhabitants
  • Enhances Root Penetration: Featuring lightweight 1 mm powder granules, our non-compacting substrate allows delicate roots to effortlessly penetrate and spread, promoting optimal plant growth
  • Improves Water Quality: Porous granules facilitate extensive bacterial colonization, serving as an additional biological filtration source, while a potent blend of nutrients and minerals ensures improved water quality for your aquarium ecosystem

Description

Fluval Bio-Stratum features beneficial "bioactives" that efficiently break down waste, jumpstart the nitrogen cycle, and swiftly diminish ammonia levels, ensuring stable water conditions in new aquariums and sustaining health in established ones. Its fine powder granules serve as an extra biological filtration source, fostering enhanced water quality through their porous and non-compacting nature. Explore our range of fish tank accessories, including aquarium filters, filter media, heaters, air pumps, lights, rocks, thermometers, and stands. With a legacy dating back to 1975, Fluval revolutionized the aquarium industry with the world's first 3-stage filter utilizing synchronous motor technology—an innovation still influential today. Our commitment to innovation continues, as we persistently strive to develop cutting-edge aquarium products that set benchmarks in quality, style, and functionality. Fluval's mission transcends product creation; we aim to inspire aquarists of all levels to appreciate and uphold the hobby's beauty and importance for generations to come.

Product Dimensions: 16.93 x 12.6 x 0.2 inches


Item Weight: 8.8 pounds


Manufacturer: Rolf C. Hagen (USA) Corp.


Item model number: 12697


Specific instructions for use: Indoor


Assembly required: No


Batteries required: No


Included Components: All items listed in description.


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, May 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


  • great substrate
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
very clean substrate. Did not have any issues with cloudiness. plants are doing great. Everything was stable enough within a week. I used a mature filter and lots of plants.
Reviewed in the United States on December 24, 2024 by Amazon Customer

  • Great for plants!
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
I've always used Fluval Stratum in a semihydro setup for propping/ rooting plants of all kinds (philodendron, pothos, monstera, but especially alocasia corms). This blue label is more dusty than the red label, though, so I am trying to stick with the red label. Definitely the only Stratum brand I'll ever buy ... show more
Reviewed in the United States on March 26, 2025 by Cheyanna

  • Plants love it
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
Plants love it and fish. Looks very natural and awesome.
Reviewed in the United States on January 7, 2025 by Milla Mack

  • Great product and price
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
Great price! It was half the price as it was for me to buy it at Petsmart. They worked great in our aquarium and terrarium. We used them mail y for our bio habitat.
Reviewed in the United States on April 25, 2025 by Brooke Sides

  • It's the quality of the market right now but ....
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
It was very dusty and dirty even after I watched it two times And it still made my water dirty in the tank I had to completely drain it just to get it cleaned
Reviewed in the United States on August 25, 2024 by Mlw Mlw

  • Great product!
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
This product arrived quickly. It was the base of my decorations for a planted fish tank. The plants are thriving. Fish tank is beautiful. I would recommend this product.
Reviewed in the United States on November 3, 2024 by Ruth Copsey

  • Perfect
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
Good stuff
Reviewed in the United States on April 9, 2025 by ahooper52 ahooper52

  • I love this stuff!
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
The pic of the larger tank shows it capped with black sand, and the smaller tank is just stratum. DONT RINSE IT OR STIR IT UP I KNOW IT SAYS RINSE ON THE PACKAGE BUT DONTTTT. I love the way this stuff looks and how beneficial it it to plants. Haven't had it crumble yet, yah it smells like dirt that's normal. Great price. Prob my favorite substrate ever. ... show more
Reviewed in the United States on September 29, 2024 by barb barb

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