Fluval Bio Stratum Plant Soil 4 kg
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Fluval Bio-Stratum is a natural volcanic soil from Mount Aso, Japan, infused with nitrifying bacteria for immediate biological activity in planted aquariums.
Description
Made from 100% natural, mineral-rich volcanic soil from Mount Aso in Japan and infused with beneficial nitrifying bacteria, Bio-Stratum is specifically formulated to provide immediate biological activity and maintain ideal conditions for a thriving planted aquarium. Characterized by its non-compacting 1 mm powder granules, Bio-Stratum allows plants with even the finest and most delicate roots to easily spread throughout the porous substrate while absorbing a powerful mix of nutrients, minerals and trace elements that promote explosive growth and overall health.
- Promotes healthy plant development, vigorous growth and vibrant color.
- Infused with dormant beneficial nitrifying bacteria that, once in contact with water, are activated to break down waste and kickstart the nitrogen cycle.
- Rapidly reduces ammonia levels to help stabilize water conditions in new aquariums.
- Lightweight 1 mm powder format granules are non-compacting and allow even the finest and most delicate roots to easily penetrate and spread throughout substrate.
- Porous granules promote extensive bacterial colonization and act as an additional source of biological filtration for improved water quality.
- Includes a powerful mix of plant-friendly nutrients, minerals and trace elements.
- Helps support a neutral to slightly acidic pH – ideal for live plants as well as tropical fish and shrimp commonly kept in planted aquariums.
- Softens water naturally, reducing carbonate hardness.
- Will not stain water and helps control organic discoloration.
- Unique curing and heat treatment process helps extend soil life and ensures no parasites are present.
- Ideal for use in smaller freshwater aquariums or as a top layer in larger tanks.
Setup & Use
Rinse it gently in a colander before it goes in — enough to take the dust off, not enough to agitate and break the granules.
Fluval’s own sum for how much you need: length × width × depth, all in centimetres, divided by 1000, gives the weight in kilograms. A 90 × 60 cm tank at 8 cm deep is 90 × 60 × 8 ÷ 1000 = 43.2 kg.
The bacteria in it are dormant and dry, and wake when they meet water. That is what makes it useful in a new tank — it starts reducing ammonia straight away rather than waiting for a colony to build.
The 1 mm powder granules are fine, so it works as the main substrate in a small tank or as a top layer over a coarser base in a larger one. It supports a neutral to slightly acidic pH and softens the water; test KH for the first few weeks.
Freshness & Storage
Every batch we dispatch carries a minimum of 6 months’ remaining shelf life. Store this product in a cool, dry place away from direct sunlight, with the cap or inner foil closed tightly after each use.
Filter media and substrates carry no manufacturing or expiry date — their working life begins on first contact with water, not on the shelf.
Returns & Replacement
Returns are accepted within 7 days of delivery, provided the item is unused and in its original packaging. Manufacturer-sealed items cannot be returned once the seal is broken, and sale-priced items are not refundable.
If your item arrives defective or damaged, message us on WhatsApp with your order number, or email us if you would rather, and we will replace it. Approved replacements are delivered within 3 to 5 business days. Transit damage is covered by insurance on every shipment. If tracking shows delivered but nothing reached you, tell us within 72 hours, which is the reporting window Indian couriers allow. Damage caused during installation or use is not covered; replacement spares for such cases are chargeable.
Full terms are on our Cancellation & Returns page.
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