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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 549 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Aug 6
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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.


Country of Origin: Japan


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: Wednesday, Aug 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 for plants and overall heath of tank
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
Perfect for my betta fish tank . The plants are thriving and his fins are looking luscious💛
Reviewed in the United States on May 14, 2025 by Sumura

  • Great. Will buy again
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
Nice substrate, very rich looking and mt plants are happy
Reviewed in the United States on July 5, 2025 by 4everluvPR

  • Great product
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
I didn’t rise before because I wanted to keep all that good stuff. I did let it cycle for about 2 hours before I put my betta back in his tank.
Reviewed in the United States on June 10, 2025 by Rose Droste

  • Love it !
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
Recently started using this for my antheriums and the root growth has been astounding ! Holds high moisture in self watering pots
Reviewed in the United States on July 24, 2025 by Rivers

  • Great bio substrate for your tank
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
This is great for planting and is very nice in the tank. If you pour your water in slowly, you do not have to worry about it dusting up and making your tank appear dirty, but I suggest not washing it as that can eliminate the bacteria that makes this product so expensive. Additionally it can affect the ammonia in your tank so be sure to cycle thoroughly. Value for money: Good quality and worth the price Design: Gorgeous in tank Ease of use: Easy to plant in. Plants stay put! ... show more
Reviewed in the United States on July 14, 2025 by D. S. Griswold D. S. Griswold

  • So far, so good
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
This is my first time using this stuff and so far I like it! I will say it is hard to plant in, things like to float out of it. You either need something to top it like sand or a very deep layer. Have to be careful not to stir it up, will make your water cloudy. So far my plants are loving it though!! ... show more
Reviewed in the United States on July 19, 2025 by Amazon Customer

  • Good stuff.
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
Good stuff.
Reviewed in the United States on June 29, 2025 by Jt H.

  • Good size for a good price.
Color: Bio-Stratum Size: 8.8 Pound (Pack of 1) Style: Substrate
The media could not be loaded. Great size for a great price. Will be using for my plants as well as future fish tank projects. Came packaged well and has nutrients that will be beneficial for my plants.
Reviewed in the United States on June 26, 2025 by Tayla Stevenson

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