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20 Best Sand For Reef Tank (2023 Updated)

Sand is a material that is often used in reef tanks to create a natural looking environment for the fish and other marine life. The sand can help to create a more stable environment for the reef and can also provide a place for the fish to hide and forage.

20 Best Sand For Reef Tank

Product Image Product Name Features Price

Estes Gravel Products Aes06606 Este Marine Sand Black for Aquarium, 5-Pound

  • Great for marine and freshwater tanks
  • Safe and non-toxic
  • Environmentally friendly

CaribSea Geo-Marine Florida Crushed Coral – 10 lb

  • May also be used in marine or African cichlid aquariums
  • Contains millions of beneficial marine bacteria to enhance biological filtration

CaribSea Geo-Marine Florida Crushed Coral – 15 lb bag

  • The only crushed coral with aragonite has 25 times the buffering power of other crushed corals.
  • Dolmite or oyster shell.
  • Use in undergravel filtered systems or reverse flow beds.

CaribSea Arag-Alive Special Grade Reef Sand – 20 lbs bag

  • 20 lbs

CaribSea 40 lbs Aragonite Special Grade Reef Sand

  • 40 lbs

CaribSea 084049 20 lbs Aragonite-Alive Reef Fiji Sand Pink – 2 per Pack

  • 2.0mmBahamas OoliteTypical Size: 0.25
  • 1.0mmHawaiian BlackTypical Size: 0.25
  • 3.5mmFiji PinkTypical Size: 0.5

Nature's Ocean Bio-Activ Live Aragonite Reef Sand 0.1-0.5mm, 20 lbs.

  • Contains live marine autotrophic bacteria to provide proper inorganic chemical balance
  • Contains live chemolithotropic bacteria

Carib Sea Ocean Direct Natural Carribbean Aquarium Live Sand, 40 Lbs

  • 40 lb

CaribSea Arag-Alive Live Aragonite Reef Sand – Fiji Pink 20 lbs

  • 1.5 90lbs per cubic foot Special Grade 1.0
  • 2.0 85lbs per cubic foot Bahamas Oolite 0.25
  • 1.0 96lbs per cubic foot Indo-Pacific Black 0.25

Carib Sea ACS00940 Ocean Direct Natural Live Sand for Aquarium 40-Pound

  • This method preserves real live sand with its own original, natural bacteria
  • Package Weight: 18.37 kilograms
  • Age range description: all stages

CaribSea Aragonite Aquarium Sand, 10 lbs.

  • Makes maintenance easier
  • Small, smooth grains are fish friendly
  • Perfect for Rays or other bottom dwelling fish and invertebrates

Carib Sea Super Naturals Marine Sand, White – 20 lb bag

  • 20 lb

CaribSea Arag-Alive Live Aragonite Reef Sand – Bahamas Oolite – 20 lbs

  • 1.5 90lbs per cubic foot Special Grade 1.0
  • 2.0 85lbs per cubic foot Bahamas Oolite 0.25
  • 1.0 96lbs per cubic foot Indo-Pacific Black 0.25

CaribSea Arag-Alive Natural Reef Aquarium Gravel, 16 lbs.

  • Aids in the growth of corals
  • Buffers for the life of the aquarium
  • Helps maintain a proper pH of 8.2 without constant chemical additions

Seachem Onyx Sand

  • Premium natural sand for the planted aquarium
  • Good for the life of the aquarium
  • Supports optimal KH levels for

CaribSea Arag-Alive Live Aragonite Reef Sand – Fiji Pink 20 lbs[ Pack of 2 ]

  • 1.5 90lbs per cubic foot Special Grade 1.0
  • 2.0 85lbs per cubic foot Bahamas Oolite 0.25
  • 1.0 96lbs per cubic foot Indo-Pacific Black 0.25

CaribSea Florida Crushed Coral 40 lbs

  • The only crushed coral with aragonite has 25 times the buffering power of other crushed corals
  • Dolmite or oyster shell
  • Use in under gravel filtered systems or reverse flow beds

CaribSea Arag-Alive Live Aragonite Special Grade Reef Sand, 20 lbs

  • Special Grade Reef Sand.
  • CaribSea Arag-Alive Live Aragonite Reef Sand.
  • 20 lbs #790 You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive! substrates.
Estes Gravel Products Aes06606 Este Marine Sand Black for Aquarium, 5-Pound
  • Great for marine and freshwater tanks
  • Safe and non-toxic
  • Environmentally friendly
CaribSea Geo-Marine Florida Crushed Coral – 10 lb
  • May also be used in marine or African cichlid aquariums
  • Contains millions of beneficial marine bacteria to enhance biological filtration
CaribSea Geo-Marine Florida Crushed Coral – 15 lb bag
  • The only crushed coral with aragonite has 25 times the buffering power of other crushed corals.
  • Dolmite or oyster shell.
  • Use in undergravel filtered systems or reverse flow beds.
CaribSea Arag-Alive Special Grade Reef Sand – 20 lbs bag
  • 20 lbs
CaribSea 40 lbs Aragonite Special Grade Reef Sand
  • 40 lbs
CaribSea 084049 20 lbs Aragonite-Alive Reef Fiji Sand Pink – 2 per Pack
  • 2.0mmBahamas OoliteTypical Size: 0.25
  • 1.0mmHawaiian BlackTypical Size: 0.25
  • 3.5mmFiji PinkTypical Size: 0.5
Nature's Ocean Bio-Activ Live Aragonite Reef Sand 0.1-0.5mm, 20 lbs.
  • Contains live marine autotrophic bacteria to provide proper inorganic chemical balance
  • Contains live chemolithotropic bacteria
Carib Sea Ocean Direct Natural Carribbean Aquarium Live Sand, 40 Lbs
  • 40 lb
CaribSea Arag-Alive Live Aragonite Reef Sand – Fiji Pink 20 lbs
  • 1.5 90lbs per cubic foot Special Grade 1.0
  • 2.0 85lbs per cubic foot Bahamas Oolite 0.25
  • 1.0 96lbs per cubic foot Indo-Pacific Black 0.25
Carib Sea ACS00940 Ocean Direct Natural Live Sand for Aquarium 40-Pound
  • This method preserves real live sand with its own original, natural bacteria
  • Package Weight: 18.37 kilograms
  • Age range description: all stages
CaribSea Aragonite Aquarium Sand, 10 lbs.
  • Makes maintenance easier
  • Small, smooth grains are fish friendly
  • Perfect for Rays or other bottom dwelling fish and invertebrates
Carib Sea Super Naturals Marine Sand, White – 20 lb bag
  • 20 lb
CaribSea Arag-Alive Live Aragonite Reef Sand – Bahamas Oolite – 20 lbs
  • 1.5 90lbs per cubic foot Special Grade 1.0
  • 2.0 85lbs per cubic foot Bahamas Oolite 0.25
  • 1.0 96lbs per cubic foot Indo-Pacific Black 0.25
CaribSea Arag-Alive Natural Reef Aquarium Gravel, 16 lbs.
  • Aids in the growth of corals
  • Buffers for the life of the aquarium
  • Helps maintain a proper pH of 8.2 without constant chemical additions
Seachem Onyx Sand
  • Premium natural sand for the planted aquarium
  • Good for the life of the aquarium
  • Supports optimal KH levels for
CaribSea Arag-Alive Live Aragonite Reef Sand – Fiji Pink 20 lbs[ Pack of 2 ]
  • 1.5 90lbs per cubic foot Special Grade 1.0
  • 2.0 85lbs per cubic foot Bahamas Oolite 0.25
  • 1.0 96lbs per cubic foot Indo-Pacific Black 0.25
CaribSea Florida Crushed Coral 40 lbs
  • The only crushed coral with aragonite has 25 times the buffering power of other crushed corals
  • Dolmite or oyster shell
  • Use in under gravel filtered systems or reverse flow beds
CaribSea Arag-Alive Live Aragonite Special Grade Reef Sand, 20 lbs
  • Special Grade Reef Sand.
  • CaribSea Arag-Alive Live Aragonite Reef Sand.
  • 20 lbs #790 You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive! substrates.

1. Estes Gravel Products Aes06606 Este Marine Sand Black for Aquarium, 5-Pound

Estes Gravel Products Aes06606 Este Marine Sand Black for Aquarium, 5-Pound

  • Great for marine and freshwater tanks
  • Safe and non-toxic
  • Environmentally friendly
  • Anchors down Plants
  • Black Color sand

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Product Details

Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 1 x 1 x 1 inches; 1 Pounds
Item Package Dimensions L x W x H 10.98 x 6.81 x 1.65 inches
Item Dimensions LxWxH 1 x 1 x 1 inches
Target Audience Keyword Fish

2. CaribSea Geo-Marine Florida Crushed Coral – 10 lb

CaribSea Geo-Marine Florida Crushed Coral - 10 lb

  • May also be used in marine or African cichlid aquariums
  • Contains millions of beneficial marine bacteria to enhance biological filtration
  • Ideal for most freshwater aquaria, including discus, tetras, angelfish, water turtles, rays, plants, cichlids and more

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Details
Product Dimensions 10 x 2 x 14 inches; 10 Pounds
Item Package Dimensions L x W x H 12.2 x 8 x 2.8 inches
Item Dimensions LxWxH 10 x 2 x 14 inches
Target Audience Keyword Reptiles, Fish; insects; reptiles, Insects, Fish

3. CaribSea Geo-Marine Florida Crushed Coral – 15 lb bag

CaribSea Geo-Marine Florida Crushed Coral - 15 lb bag

  • The only crushed coral with aragonite has 25 times the buffering power of other crushed corals.
  • Dolmite or oyster shell.
  • Use in undergravel filtered systems or reverse flow beds.
  • A solid and economical performer.
  • Grains size 2.0-5.55 mm.

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Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 1 x 1 x 1 inches; 1 Pounds
Item Package Dimensions L x W x H 17.01 x 12.52 x 2.05 inches
Item Dimensions LxWxH 1 x 1 x 1 inches
Target Audience Keyword Fish

Reviews From Real Customers

radioactive69

4. CaribSea Arag-Alive Special Grade Reef Sand – 20 lbs bag

CaribSea Arag-Alive Special Grade Reef Sand - 20 lbs bag

  • 20 lbs

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Weight 20 lb

5. CaribSea 40 lbs Aragonite Special Grade Reef Sand

CaribSea 40 lbs Aragonite Special Grade Reef Sand

  • 40 lbs

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Weight 40 lb

6. CaribSea 084049 20 lbs Aragonite-Alive Reef Fiji Sand Pink – 2 per Pack

CaribSea 084049 20 lbs Aragonite-Alive Reef Fiji Sand Pink - 2 per Pack

  • 2.0mmBahamas OoliteTypical Size: 0.25
  • 1.0mmHawaiian BlackTypical Size: 0.25
  • 3.5mmFiji PinkTypical Size: 0.5
  • 1.5mmOCEAN DIRECT

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Specifications

Details
Grain Size 0.5 – 1.5 mm
Capacity 20 lbs

7. Nature’s Ocean Bio-Activ Live Aragonite Reef Sand 0.1-0.5mm, 20 lbs.

Nature's Ocean Bio-Activ Live Aragonite Reef Sand 0.1-0.5mm, 20 lbs.

  • Contains live marine autotrophic bacteria to provide proper inorganic chemical balance
  • Contains live chemolithotropic bacteria
  • Prevents biofouling
  • Immediately removes nitrogenous waste (Ammonia, Nitrite and helps remove Nitrate)

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Details
Assembled Product Weight 20 lbs
Animal Type Aquarium Gravel & Substrates

8. Carib Sea Ocean Direct Natural Carribbean Aquarium Live Sand, 40 Lbs

Carib Sea Ocean Direct Natural Carribbean Aquarium Live Sand, 40 Lbs

  • 40 lb

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Details
Country of Origin USA
Item Package Dimensions L x W x H 18.8 x 11.7 x 5.8 inches
Item Dimensions LxWxH 4.6 x 4.3 x 2.5 inches
Target Audience Keyword Fish
Directions May be rinsed before use

9. CaribSea Arag-Alive Live Aragonite Reef Sand – Fiji Pink 20 lbs

CaribSea Arag-Alive Live Aragonite Reef Sand - Fiji Pink 20 lbs

  • 1.5 90lbs per cubic foot Special Grade 1.0
  • 2.0 85lbs per cubic foot Bahamas Oolite 0.25
  • 1.0 96lbs per cubic foot Indo-Pacific Black 0.25
  • 5.0 90lbs per cubic foot West Caribbean Reef 1.0
  • 5.0 90lbs per cubic foot Hawaiian Black 0.25

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10. Carib Sea ACS00940 Ocean Direct Natural Live Sand for Aquarium 40-Pound

Carib Sea ACS00940 Ocean Direct Natural Live Sand for Aquarium 40-Pound

  • This method preserves real live sand with its own original, natural bacteria
  • Package Weight: 18.37 kilograms
  • Age range description: all stages
  • Package Dimensions : 11.43 L x 50.8 H x 35.56 W (centimeters)

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Dimensions 2.5×4.3×4.6 inches

11. CaribSea CaribSea Dry Aragonite Seafloor Special Grade Reef Sand 40 lbs Pack of 2

CaribSea CaribSea Dry Aragonite Seafloor Special Grade Reef Sand 40 lbs Pack of 2

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12. CaribSea Aragonite Aquarium Sand, 10 lbs.

CaribSea Aragonite Aquarium Sand, 10 lbs.

  • Makes maintenance easier
  • Small, smooth grains are fish friendly
  • Perfect for Rays or other bottom dwelling fish and invertebrates
  • Proven to reduce nitrates better than regular aquarium gravel

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Primary Brand CaribSea

Reviews From Real Customers

Mattz

13. Carib Sea Super Naturals Marine Sand, White – 20 lb bag

Carib Sea Super Naturals Marine Sand, White - 20 lb bag

  • 20 lb

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Weight 20 lb

14. Nature’s Ocean Samoa Pink Bio-Activ Live Aragonite Reef Sand 20 lbs (0.5-1.7 mm Grain)

Nature's Ocean Samoa Pink Bio-Activ Live Aragonite Reef Sand 20 lbs (0.5-1.7 mm Grain)

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15. CaribSea Arag-Alive Live Aragonite Reef Sand – Bahamas Oolite – 20 lbs

CaribSea Arag-Alive Live Aragonite Reef Sand - Bahamas Oolite - 20 lbs

  • 1.5 90lbs per cubic foot Special Grade 1.0
  • 2.0 85lbs per cubic foot Bahamas Oolite 0.25
  • 1.0 96lbs per cubic foot Indo-Pacific Black 0.25
  • 5.0 90lbs per cubic foot West Caribbean Reef 1.0
  • 5.0 90lbs per cubic foot Hawaiian Black 0.25

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16. CaribSea Arag-Alive Natural Reef Aquarium Gravel, 16 lbs.

CaribSea Arag-Alive Natural Reef Aquarium Gravel, 16 lbs.

  • Aids in the growth of corals
  • Buffers for the life of the aquarium
  • Helps maintain a proper pH of 8.2 without constant chemical additions
  • Discourages nuisance algae growth

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Primary Brand CaribSea

17. Seachem Onyx Sand

Seachem Onyx Sand

  • Premium natural sand for the planted aquarium
  • Good for the life of the aquarium
  • Supports optimal KH levels for
  • Freshwater planted aquariums
  • Rich in carbonates

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Details
Product Dimensions 17 x 11.75 x 1.75 inches; 15.65 Pounds
Country of Origin USA
Item Package Dimensions L x W x H 16.93 x 9.06 x 5.12 inches
Item Dimensions LxWxH 17 x 11.75 x 1.75 inches
Target Audience Keyword Fish

18. CaribSea Arag-Alive Live Aragonite Reef Sand – Fiji Pink 20 lbs[ Pack of 2 ]

CaribSea Arag-Alive Live Aragonite Reef Sand - Fiji Pink 20 lbs[ Pack of 2 ]

  • 1.5 90lbs per cubic foot Special Grade 1.0
  • 2.0 85lbs per cubic foot Bahamas Oolite 0.25
  • 1.0 96lbs per cubic foot Indo-Pacific Black 0.25
  • 5.0 90lbs per cubic foot West Caribbean Reef 1.0
  • 5.0 90lbs per cubic foot Hawaiian Black 0.25

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19. CaribSea Florida Crushed Coral 40 lbs

CaribSea Florida Crushed Coral 40 lbs

  • The only crushed coral with aragonite has 25 times the buffering power of other crushed corals
  • Dolmite or oyster shell
  • Use in under gravel filtered systems or reverse flow beds
  • A solid and economical performer
  • Grains size 20-555 mm

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Weight 40 lb

20. CaribSea Arag-Alive Live Aragonite Special Grade Reef Sand, 20 lbs

CaribSea Arag-Alive Live Aragonite Special Grade Reef Sand, 20 lbs

  • Special Grade Reef Sand.
  • CaribSea Arag-Alive Live Aragonite Reef Sand.
  • 20 lbs #790 You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive! substrates.

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Manufacturer Part# 790

Conclusion

As you can see, sand can be a great addition to your reef tank. It can provide a place for your corals to anchor themselves, as well as a place for small critters to hide. It can also help to keep your water quality high by providing a place for beneficial bacteria to grow.

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