Collected from the mineral rich foothills of the famous Mont Aso Volcano 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.

The nitrifying bacteria have been conditioned to enter a dormancy phase prior to packaging that allow them to survive in dry conditions. Once the substrate is added to your aquarium water, the bacteria awaken.

First, measure your tank’s length and width in cm – for example, 90 x 60 cm. Then, consider the thickness of substrate you want – for example, 8 cm. The amount of Bio-Stratum you need (in kg) is equal to length x width x thickness divided by 1000. In our example, 90 x 60 x 8 / 1000 = 43.2 kg of Bio-Stratum needed.

We recommend gently rinsing Bio-Stratum in a large colander or similar device without agitating the substrate to remove fine dust particles.

Key Features:

• Promotes healthy plant development, vigorous growth and vibrant colour
• 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

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.