Best Substrate for aquariums

  • Complete substrate for freshwater planted aquariums
  • Contains major and minor trace elements to nourish aquarium...
  • Substrate encourages healthy plant root growth
  • Mineral rich volcanic soil
  • Stimulates strong plant growth
  • Promotes neutral to mildly acidic pH
  • Composed of organic and inert ingredients providing all...
  • Long lasting fertilized plant substrate lasting up to 12-18...
  • Prolongs water exchange periods
  • Composed of organic and inert ingredients providing all...
  • Long lasting fertilized plant substrate lasting up to 12-18...
  • Prolongs water exchange periods
  • Rinse right in the bag
  • All natural Porous clay
  • For Planted Aquarium
  • The premium substrate for the planted aquarium
  • Specially fracted, stable porous clay gravel for the natural...
  • Its appearance is best suited to planted aquaria, but may be...

So that one gets an appealing underwater world in an aquarium, the substrate is the most important basis. There are many different ways to design the bottom of an aquarium. In the following, we will explain what tasks the substrate performs in an aquarium, what classical substrate types there are and how the design can be carried out.

Our Top Substrate for aquariums Pick

CaribSea Eco-Complete 20-Pound Planted Aquarium, Black
  • Complete substrate for freshwater planted aquariums
  • Contains major and minor trace elements to nourish aquarium plants
  • Substrate encourages healthy plant root growth

Everything for animals: Substrate for aquariums Video Guide

Some people think that the substrate only serves the optics in the aquarium, but this is not the case, because the substrate is very useful for example for the animals and the plants in the aquarium, but also for the quality of the water. With the help of the ground a greater similarity to the natural habitat of the different animals can be created. Some animals use the ground very strongly. They even rummage through it to find something to eat, for example. It is also ideal for orientation and protection of animals. This often makes the animals more balanced and it is more harmonious in the aquarium. The plants in the aquarium also need a good substrate. The ground provides support for the plants, as their roots can dig through and then anchor. The subsoil also provides the plants with important nutrients, and the quality of the soil helps when it is not too dense, so that water can always flow through it. The important bacteria responsible for the biological equilibrium in the aquarium are thus formed. If you choose a permeable substrate, however, you should take good care of it, because otherwise waste materials can settle in the gaps and start to rot there.













Aquarium gravel and aquarium sand are known as the classic basic soil types. Both variants can be obtained in different natural or artificial colours. However, they must not contain any harmful substances, as these would otherwise be released into the water and cause only damage there.

Because you get the aquarium gravel or the aquarium sand in many different colors, you have many different possibilities in the design of the aquarium. If, however, one attaches great importance to a natural environment in the aquarium, then one can also achieve an optical upgrading here by the suitable substrate.

In most cases, the gravel or sand is placed in the aquarium in such a way that it rises to the rear. This gives a higher and more interesting depth effect and it is also useful. If the layer of the ground becomes higher at the back, then the larger plants have more space in the background and thus their roots can develop better and the thinner layer in the foreground ensures that the roots of the front plants do not develop so strongly and the plants do not grow so large. However, if it is not enough for the substrate to rise backwards, you can also create terraces with the help of the substrate. As a rule, however, you need other things for this, such as larger stones

When you design an aquarium, you naturally start with the bottom first. But before one starts to put anything into the aquarium, one should of course check whether the aquarium is also intact. If the aquarium has jumps, then you can usually see that immediately. But you should also check the gaskets on the sides, because you can’t tell if something is leaking. If there are no defects in the aquarium and if the aquarium has not been cleaned with any chemical means, then you can start with the substrate. You should not use any cleaning agents. Usually the cleaning must be carried out several times, so that the dust and other particles are completely removed. If no plant substrate is used, the gravel or sand can go directly into the aquarium. However only gradually and not all at once, otherwise the aquarium could be damaged. One should also make sure that the substrate is high enough. A height of at least 5 centimetres should be achieved. In the rear area, however, there may also be more, so that the large plants, which are usually placed in the background, also have enough space and can anchor themselves.

TOP 5 Substrate for aquariums Bestseller

CaribSea Eco-Complete 20-Pound Planted Aquarium, Black
  • Complete substrate for freshwater planted aquariums
  • Contains major and minor trace elements to nourish aquarium plants
  • Substrate encourages healthy plant root growth
Fluval Plant and Shrimp Stratum, 4.4-Pound
  • Mineral rich volcanic soil
  • Stimulates strong plant growth
  • Promotes neutral to mildly acidic pH
  • Suitable for plants or shrimp
  • 4.4 Pound bag
Flourite Black, 7 kg / 15.4 lbs
  • The premium substrate for the planted aquarium
  • Specially fracted, stable porous clay gravel for the natural planted aquarium
  • Its appearance is best suited to planted aquaria, but may be used in any aquarium environment
Mr. Aqua N-MAR-066 1 L Fine Pet Habitat Water Plant Soil
  • Composed of organic and inert ingredients providing all essential elements
  • Long lasting fertilized plant substrate lasting up to 12-18 months
  • Prolongs water exchange periods
  • One bag Covers approximately 12" x 6" at 1" deep or 6" x 6" at 2" deep.
  • Black in Color
Flourite, 7 kg / 15.4 lbs
  • Rinse right in the bag
  • All natural Porous clay
  • For Planted Aquarium
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