Aquarium black pebbles 4-6mm are a type of decorative gravel made from natural stone that has been dyed black
Login to see prices
SKU: N/A Category:


Aquarium black pebbles 4-6mm are a type of decorative gravel made from natural stone that has been dyed black. They are typically smooth and round, and they come in a variety of shades of black. The 4-6mm size makes them suitable for use in aquariums of all sizes, and they can help to create a sleek and modern look.

  • Pros:

    • Visually Appealing: The black color can add a dramatic and sophisticated touch to your aquarium, creating a visually striking contrast with your fish and plants.
    • Smooth and Safe for Fish: The smooth and round pebbles are safe for the fins and gills of your fish.
    • Relatively Inexpensive: Black pebbles are generally more affordable than other types of decorative gravel.
    • Easy to Clean: The smooth surface of the pebbles makes them easy to clean during aquarium maintenance.
  • Cons:

    • Planting Difficulty: The larger size of the pebbles (4-6mm) can make it difficult to plant aquatic plants securely, as they may not provide enough support for their roots.
    • Debris Trapping: The spaces between the pebbles can trap dirt, debris, and fish waste, which can lead to poor water quality if not cleaned regularly.
    • Potential Ingestion: Some bottom-feeding fish may try to eat the pebbles, which can cause digestive problems.
  • Things to consider before using:

    • Aquarium type: Black pebbles are suitable for both freshwater and saltwater aquariums.
    • Fish compatibility: Avoid using these pebbles with bottom-feeding fish prone to ingesting gravel, such as loaches or catfish.
    • Cleaning and maintenance: Regularly siphon the bottom of your aquarium to remove any trapped debris and maintain good water quality.
    • Aesthetics: Consider the overall design and color scheme of your aquarium when choosing whether black pebbles complement your desired aesthetic.

Here are some additional things to keep in mind when choosing black aquarium pebbles:

  • The shade of black: Black pebbles come in a variety of shades, from jet black to charcoal gray. Choose a shade that complements the other colors in your aquarium.
  • The type of stone: Black pebbles can be made from a variety of stones, such as granite, basalt, or obsidian. Each type of stone has its own unique look and properties.
  • The amount of gravel: You will need to purchase enough gravel to cover the bottom of your aquarium to a depth of 1-2 inches.
Reviews (0)


There are no reviews yet.

Be the first to review “BLACK PEBBLE 6-9mm”