Industry leading manufacturer of decorative gravel and garden products - Qianli Mining

Natural Iron Gall Sand Black Aquarium Substrate 1

Natural Iron Gall Sand Black Aquarium Substrate 2

Natural Iron Gall Sand Black Aquarium Substrate 3

Natural Iron Gall Sand Black Aquarium Substrate 4

Natural Iron Gall Sand Black Aquarium Substrate 5

Natural Iron Gall Sand Black Aquarium Substrate

Iron gall sand is a type of hard mineral particle that is processed through screening, washing, dust removal, and grading. It is hard, dense, and structurally stable, dust-free, non-weathering, non-pulverizing, water-resistant, and corrosion-resistant. It is a high-quality sand and gravel material for aquarium landscaping, garden paving, fish tank substrate, and garden decoration. It is natural, environmentally friendly, and pollution-free, and can be recycled for a long time.

Product name:

Iron Gall Sand

Brand:

QianLi

Color:

White

Place of Origin:

HeBei

Packing:

Woven bag

ODM & OEM:

Available

Size:

3-5mm 4-6mm 6-9mm 9-12mm 1-2cm 2-3cm 5-8cm

Minimum order quantity:

5kg

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Appearance features

The overall color is dark gray to black and iron brown. The particles are round and full with moderate edges and uniform size. The surface has a calm and matte texture, and the color is simple and pleasing to the eye. It is clean and free of impurities, dirt and impurities. It has a high degree of water washability, does not fade or make the water cloudy. The overall look of the base or top is simple and high-end.

A1 (15)

A3 (16)

B2 (16)

Advantages

Iron gall sand is hard and wear-resistant, and will not turn into powder, crack, or weather even after long-term soaking in water and sun exposure; its natural color will not fade, it is dust-free and impurity-free after washing, and it does not release harmful substances; its moderate density makes it easy to clean and does not easily cloud the water, thus stabilizing the water quality; the uniform particle spacing makes it breathable and drainage-permeable for garden paving, effectively preventing waterlogging and root rot in pots.

Natural Iron Gall Sand Black Aquarium Substrate 10

Building Materials Industry

Cement admixtures, concrete additives, refractory materials, raw materials for thermal insulation building materials

Application scenarios

● Aquariums

Used for substrate laying and aquascaping, stabilizing water quality, suitable for planted aquariums, native aquariums, and ornamental fish.

● Gardening Plants

Used for succulents, bonsai, orchids, and potted plants as a top dressing, preventing soil splashing, suppressing weeds, and retaining moisture and nutrients.

● Landscape Designs

Used for courtyard landscaping, dry landscape gardening, flower bed and tree pit decoration, and walkway paving.

● Aquarium Aquascaping

Used for paludariums and miniature terrariums, combined with driftwood and stone landscaping for a strong sense of atmosphere.

FAQ

Will iron gall sand fade or cloud the water?

No. It's a natural, unblemished stone, washed and screened to prevent fading or discoloration. It doesn't easily cloud the water, keeping it clear. Long-term use won't release harmful substances.

Will iron gall sand crumble or break?

No. The material is hard and dense, wear-resistant and weather-resistant. Even after long-term immersion in water or exposure to sunlight, it won't crumble, break, or weather, resulting in an extremely long lifespan.

Can iron gall sand be used directly in a fish tank?

Yes. After cleaning, it can be used directly as substrate in aquariums, native tanks, and planted aquariums. It stabilizes water quality and is suitable for various ornamental fish and shrimp.

Does iron gall sand contain dust, and how should it be cleaned?

After multiple washes to remove dust, it's virtually dust-free. A few simple rinses with water are all it takes before use. It's easy and convenient to maintain.

Is iron gall sand acidic or alkaline? Will it affect water quality?

It is stable and neutral, does not exceed pH limits, does not release harmful substances, and does not alter the pH of the aquarium water. It is suitable for fish, shrimp, and plants.

Will iron gallstones mold and grow algae over time?

The material itself is sterile and stable, making it difficult for bacteria and mold to grow. Regular water changes are sufficient; it is not prone to algae growth and is easy to maintain.

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