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🌿 Elevate your planted aquarium game with volcanic vitality and bioactive brilliance!
Bio-Stratum is a premium 2kg aquarium substrate sourced from Japan’s Mount Aso volcano, delivering a potent blend of nutrients, minerals, and trace elements. Its lightweight 1-3mm porous granules promote vigorous root growth while maintaining a neutral to slightly acidic pH ideal for aquatic plants, fish, and shrimp. Infused with dormant bioactive bacteria, it jumpstarts the nitrogen cycle to rapidly reduce ammonia and stabilize water conditions, making it perfect for both small planted aquariums and as a top layer in larger tanks.




| ASIN | B09XVP3HGK |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | 2,301 in Pet Supplies ( See Top 100 in Pet Supplies ) 3 in Aquarium Sand |
| Brand | Fluval |
| Brand Name | Fluval |
| Country Of Origin | Japan |
| Customer Reviews | 4.6 out of 5 stars 2,714 Reviews |
| Included Components | Stratum |
| Item Form | Powder |
| Item Highlight | Aquarium Substrate for Planted Aquariums |
| Item Type Name | Stratum |
| Item Weight | 4.4 Pounds |
| Item form | Powder |
| Item weight | 4.4 Pounds |
| Manufacturer | Rolf C Hagen UK Ltd |
| Manufacturer Part Number | 12696 |
| Model Number | 12696 |
| Number of Items | 1 |
| Pet Type | Fish |
| Target Species | Aquatic Plants |
| UPC | 015561126960 |
| Unit Count | 1.0 count |
| Unit count | 1.0 count |
M**.
Quality
Value for the money easy to use and gives great plant growth
S**B
Perfect substrate for aquascaping
A perfect aquarium substrate for any aquascaping. The dark brown offsets the beautiful foliage colours. Having used an alternative (but almost identical) substrate previously, which no longer seems available, this FLUVAL Bio Stratum is exactly what my aquarium plants needed; nutrients and an anchor to put their roots into. Adding new plants into the substrate takes a little practice to get the roots rooted. The previous lot of substrate I used lasted for five years before we needed to replace it all. I have no doubt that with regular care and the odd aqua vacuuming, this substrate we do exactly the same. Very easy to use, excellent value for money.
R**D
OK
Good product. Worth it. Delivered on time.
R**B
Plants seem to like it
Used in my large fish tank made the water very cloudy on initial application may have been my fault as I did kind of just dump it in the tank to start with. But the water did clear well after a fashion . Have put a few plants in the tank too now and they all seem to be growing well.
V**V
Uaual high quality from Fluval
It's Fluval. Personally think they are the best aquarium company out there and love all of te products.
H**P
Try it for growing alocasia corms and sprouting wetsticks
I've been using this in a 50/50 mix with perlite for monstera wetsticks, sprouting my alocasia corms in and also for growing the baby plants on in self watering pots. The nutrients in the fluval ensure the plantlets grow without the need of fertilisers that could possibly damage tender young roots! I know this is designed for use in aquariums but I'd seen so much talk about it in the online plant community that I thought I would give it a go. I'm definitely very happy with the results so far, I've had no fluffy mould growth in high humidity settings and I'll definitely be buying more if I don't get any adverse reactions over the next couple of months.
R**T
Its brilliant
This was recommended to me by a marine biologist and he was right. It's s bit messy at first and although it tells you to rinse it thats virtually impossible. But once it's in and the dust settles it's frankly amazing. My plants have grown incredibly fast, several inches in a week. The black also looks quite good on the base of the aquarium. so much more realistic than coloured gravel. It's now the only substrate that I will use.
T**Y
A must for any aquarium
So wish I had made the change sooner, after years of using gravel then sand an back to gravel, I decided to bite the bullet an give it a try , WOW opened the bag poured straight into the aquarium an slowly filled with water added some tap safe an I think my baby plec is gonna love its new waters once its cycled an ready , really good value an will be buying more for when i upgrade to a larger tank , it looks very pleasing on the eye , was worried as other customers reviews were very mixed , i found the best way is to just open an dump it in i slowly filled the aquarium pouring into the filter chamber so it didnt disturb now just to sit back an start letting nature take its course, excuse the food bits on the bottom as starting an new cycle while my little guy is growing out , would definitely recommend, an the water looks clear an crisp should of used it sooner
F**O
Super
Jederzeit wieder.
G**D
Good substrate for plants
This substrate has worked well for my 20 and 75 gallon planted tanks. It is easy to plant in, yet holds the plants well. The roots produced are white and healthy when seen running along the tank or if the plant is transplanted. It is also attractive and soft enough for corydora species. I like the fact it has a nutrient base although I also dose dry ferts for the water column and it does not seem to impact ph or water chemistry in a big way.
A**O
V
Excelente las plantas se adaptaron rápido
E**C
Great for water plants
This has worked great for my water Lillie's. It's a neat product, little balls is the only way I can describe it. The plants seem to like it and the fish don't dig in it as much as they did with the other dirt. Its a bit pricy but worth it.
K**N
Love it!
I used this in my terrarium and I love the look sice you are able to see the difference substrate layers this just gives your miniature world an esthetically pleasing finish.
Trustpilot
1 month ago
1 month ago