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Aquarium Substrates

Build the perfect foundation for your aquarium with our range of substrates, gravels, and sands. The right substrate not only enhances the look of your tank but also supports plant growth, beneficial bacteria, and the wellbeing of your fish. Choose from natural river gravel, decorative black stone, and specialist soils designed for aquascaping. We also stock coral sands and silica options for tanks with specific water needs. Trusted brands like Oase and Dymax ensure quality and consistency, whether you’re creating a planted aquascape, a natural riverbed look, or a vibrant tropical display.

9 Results

9 Results

Phantom Black Stone
Sold out

£3.99

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£3.99

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Out of stock

£14.99 - £29.99

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3L 9L

£14.99 - £29.99

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In stock

£14.99 - £32.99

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3L 9L

£14.99 - £32.99

Unit price
per

In stock

£3.99

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£3.99

Unit price
per

In stock

Coral Sand
Sold out

£9.99

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£9.99

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Out of stock

Black Silica Sand 2-3mm
Sold out

£8.99

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£8.99

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Out of stock

Black Silica Sand 2-3mm
Sold out

£3.99

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£3.99

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Out of stock

£17.99

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£17.99

Unit price
per

In stock

£3.99

Unit price
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£3.99

Unit price
per

In stock

Essential Aquarium Foundation

Substrates provide structure for aquascapes, anchor plants, and support beneficial bacteria colonies.

Decorative Choices

Create stunning displays with natural river gravels, black silica sands, or bold phantom black stones.

Plant Growth Support

Specialist soils like Oase Scaperline and Dymax Base Soil supply nutrients to help live plants thrive.

Water Chemistry Benefits

Options like coral sand can stabilise pH and hardness, making them ideal for marine or cichlid tanks.

Easy to Use

Our substrates are pre-washed or easy to prepare, helping you set up your aquarium quickly and safely.

FAQs

Why do I need substrate in my aquarium? Substrate provides a natural look, supports plants, and fosters healthy bacteria growth.

Which substrate is best for planted tanks? Nutrient-rich soils such as Oase Scaperline or Dymax Base Soil are ideal for aquascaping.

How much gravel do I need? A good rule is 1–2 inches of substrate depth, which usually equals 1kg per gallon of water.

Can I mix different substrates? Yes, combining gravel, soil, and sand can create attractive and functional layers for your aquarium.