Black sand offers enhanced visual contrast for inhabitants and decor, supports beneficial bacteria for filtration, and can be a good substrate for aquatic plant growth. Black sand can improve the appearance of root-feeding plants by helping them anchor in place.

Black iron stone substrate is a striking and popular option in the aquarium hobby, known for its dramatic, modern look and mineral benefits. Black iron stone is a type of inert, sedimentary rock primarily composed of iron oxide and other minerals like silicon and magnesium.

Create a realistic aquascape in your aquarium with Aqua Gem decorative gravel. The Coral Gravel is applicable to the water tank and used for partial hard acidification of the fish tank, it can be applied as filter material and fish tank bottom sand, with the cultivation of nitrifying bacteria, helps improve water quality and PH value.

Sand is probably the most common substrate. Sand doesn’t allow food particles to drop down uneaten into the substrate. And most people like the aesthetics of natural color sand in an aquarium.

Sand is probably the most common substrate. Sand doesn’t allow food particles to drop down uneaten into the substrate. And most people like the aesthetics of natural color sand in an aquarium.

Expanded Clay Pebbles, universally known as LECA (Lightweight Expanded Clay Aggregate), are a staple in advanced growing techniques like hydroponics, aquaponics, and for improving soil. While expanded clay pebbles are not a direct "algae remover" like a chemical treatment or an algae-eating creature, they work by creating conditions that are unfavorable for algae growth.

Aquarium decorative white marble egg-stones for fish/turtle tanks. Upgrade your aquarium’s foundation with the subtle elegance of Natural Eggstones. Whether you’re building a lush planted tank or a minimalist scape, these stones set the perfect stage for your underwater masterpiece.

Aqua Gem white stone is a perfect substrate to brighten up your home aquarium or outdoor displays. With a ranging size of 2-4cm, this aquatic gravel is completely safe and available in bright white color. It can also be used to brighten up your garden plant pots or planters.

Aqua Gem white stone is a perfect substrate to brighten up your home aquarium or outdoor displays. With a ranging size of 1-2cm, this aquatic gravel is completely safe and available in bright white color. It can also be used to brighten up your garden plant pots or planters.

Good for aquatic plants that create beautiful landscape view. Dark sand environment makes appeasement effect on timid neon tetras, while insects like hydra are less likely to reproduce. The colors of black shell shrimp and rose shrimp become more vivid. During algae blooms, algae attach primarily to the surface layer (making cleanup easy, and shrimp consume it thoroughly).

Create a realistic aquascape in your aquarium with Aqua Gem decorative gravel. The Coral Gravel is applicable to the water tank and used for partial hard acidification of the fish tank, it can be applied as filter material and fish tank bottom sand, with the cultivation of nitrifying bacteria, helps improve water quality and PH value.

Yellow Marble Stone makes beautiful nature-like aquascape inside a fish-tank, is convenient to keep water-plants root-cups, and convenient to wash while aquarium cleaning.

XSmall Size Decorative Pebbles Polished Rock Stones, Natural Rocks for Aquarium, Plants Landscaping Fairy Garden, Terrariums, Vases etc., also known as the aragonite, ornamental stone, lucky stone.

Nutrient gravel mix for beautiful and permanent plant growth in all freshwater/seawater aquariums. Contains important plant nutrient. Clay components store nutrients and release them back, as required. Efficiently promotes aquatic plant growth. Can accumulate the fertilizer to gradually release it to water plants.

The rough, highly porous surface structure of biofiltration volcanic rock provides very good colonization conditions for purified bacteria. Since it is a natural product, the size of the granules and small pieces in the packaging is different for each piece. It can be washed and reused. It is suitable for both freshwater and seawater.

High Grade Decorative Pebbles Polished Rock Stones, Natural Rocks for Aquarium, Plants Landscaping Fairy Garden, Terrariums, Vases etc., also known as the aragonite, ornamental stone, lucky stone.