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.

Coffee dark with light mixed natural sand mimics coffee with rich foam. Aquarium substrate can add great contrast in colors from other rocks or decoration in your tank; It will really stand out against bogwood and slate rocks.

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.

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.

Golden yellow natural coarse river sand 2-4mm. Suitable for ornamental fish tanks or aquatic plant water feature tanks. Suitable for fish tank/turtle tank landscaping. Natural citrine sand can form a beautiful natural water feature in the fish tank, which is convenient for fixing the water root cup and easy to wash while aquarium cleaning.

Greenish mineral coarse sand 2~4mm for aquariums aquascape creation. Good for middle size ornamental fish as gold fish, KOI, discus etc. Due to its mineral nature, can adsorb minerals and gradually release it into the water that helps stabilize water quality and the pH value. Greenish color helps to achieve a special underwater scenes with waterplants. And the coarse sand is more convenient to wash while changing the water and cleaning inside the fish tank.

Fish tank bottom decoration sand, rice alike natural quartz fine gravel 3-5mm, it's a nice way to enhance the appearance of your aquarium for creative and striking tank displays. An excellent planting medium, thanks to its finer stone size.

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.

Made with the high quality glass, these glass gravels never fade colors and can resist years of use. Gems are guarantee non-toxic lead-free which makes them perfect for aquarium decor. Tumbled finished they look nice and have no any sharp edges. These glass gems have a glossy finish to them, giving them a bit of sparkle.

Red 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.

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.

Coarse Silica Pearl Sand Natural Grit Coarse Sandstone 2~4mm for aquariums aquascape creation. Good for middle size ornamental fish as gold fish, KOI, discus etc. Pearl color helps to create clear and shiny underwater scenes. And the coarse sand is more convenient to wash while changing the water and cleaning inside the fish tank.

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.

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.

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.

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.