Microvarium - Small Habitat Specialists
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Mere brings a unique combination of yellow-ochre colors of sands, gravels, and twigs create a very warm impression, perfect for mimicking the habitats of deltas, lakes, and lagoons.


Mere substrate is a unique concept designed to inspire nature artists. It is inspired by the mellow sands and forest debris found in the mighty Pool Malebo of the Congo River in Africa. This substrate is perfect for mimicking the habitats of deltas, lakes, and lagoons, where organic material has been deposited by currents and floods.

Imagine a vast delta basin, where a mighty river flows and meanders through lush tropical forests, carrying with it a rich mixture of sand, gravel, and organic material. As the river slows and approaches the delta, the current becomes weaker, and the materials carried by the river begin to settle on the riverbed. Over time, the organic material decomposes, creating a rich substrate that is perfect for a wide range of aquatic plants and animals.

Inspired by these dynamic and complex ecosystems, our Mere substrate brings the warm, earthy tones of the Congo River delta to your aquarium. The unique combination of yellow-ochre sands, gravels, and twigs creates a rich and engaging substrate that is perfect for recreating the unique habitats of deltas, lakes, and lagoons.

With a size mix ranging from 0.1 to 40cm, the Mere substrate is suitable for any type of aquarium design. Whether you are looking to create a natural-looking biotope or a more structured aquascape, the Mere substrate is versatile enough to meet your needs.

And because our Mere substrate is made from 100% natural materials, you can be sure that it is safe for your aquarium inhabitants. Unlike some artificial substrates, our product does not contain any harmful chemicals or toxins that could harm your fish or plants.

If you are looking to create a warm, organic atmosphere in your aquarium, look no further than our Mere substrate. With its unique combination of colors and materials, it is sure to inspire and delight nature lovers and aquarium enthusiasts alike.

  • Color: Yellow ochre
  • Material: Sands, gravels, and twigs
  • Size mix: 0.1cm to 40cm
  • Materials: Non-toxic and all-natural sands, gravels, and twigs
  • Water hardness: Slightly affects water hardness
  • Packaging: Available in 2 & 5kg bags
  • Inspired by the delta’s river basins like the Pool Malebo in Congo, Africa
  • Unique combination of yellow-ochre colors of sands, gravels, and twigs
  • Perfect for mimicking the habitats of deltas, lakes, and lagoons
  • Organic, warm, and interesting dynamic to your aquarium display
  • Mere can be used in both aquatic and terrarium environments, as a standalone substrate or mix with other sands, gravels, Riverbeds…
  • Pre-washed for your convenience, can be use without rinse.
  • You can gently pass a net over the water surface to remove any floating particles.
  • The arbitrary distribution of the bag content creates a natural Riverbed impression with random densities and content mix, resulting in an easy, fun, and impressive way to create a true slice of nature.
  • These Riverbeds are suitable for everyone, from the newbie to the professional nature creator, and can be used to achieve outstanding results.
  • You don’t need any special skills or tools to manipulate and spread the Riverbed in your aquarium or terrarium, making it an accessible and non-invasive way to enhance the natural look of your aquatic or terrestrial environment.
  • Riverbeds are made from 100% natural and non-toxic materials.
  • Safe for fish, shrimps, and other aquatic animals.


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Shipping Delay Notice

No orders will be shipped between March 30 and April 20, 2023 due to warehouse improvements, changes, and upgrades. Any order placed during that time will be fulfilled during the week of April 24-28.

This does not apply to merchandise which will continue shipping as normal.