When you shop through links on our site, we may earn an affiliate commission. This educational content is not intended to be a substitute for professional advice.

20 Best Sand For Saltwater Aquarium (2023 Updated)

Sand for saltwater aquariums is a substrate that can be used to provide a natural look to your tank while also providing a place for beneficial bacteria to grow. This bacteria helps to break down waste products in the tank, which helps to keep the water quality high and the fish healthy.

Sand can also be used to create different shapes and textures in the aquarium, which can provide hiding places for fish and make the tank more visually interesting.

20 Best Sand For Saltwater Aquarium

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

Nature's Ocean Bio-Activ Live Aragonite Reef Sand – Samoa Pink, 20 lbs

  • 20 lbs

CaribSea 20lb Ocean Direct Live Sand *

  • Each bag includes a packet of Bio-Magnet clarifier.
  • Ocean Direct provides a thriving, natural aquarium in minutes!
  • Utilizes Sea Breathe laser technology which preserves real live sand with its own original bacteria.

Carib Sea Acs00020 Aragonite Reef Sand for Aquarium, 15-Pound

  • A grade of aragonite specifically for plenum type nitrate reducing beds
  • Use where a deeper bed is needed
  • Allows maximum pH support and dissolution of calcium Carbonate

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

  • 20 lb

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

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

Seachem Onyx Sand

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

CaribSea Eco-Complete Cichlid Sand (20 lbs)

  • Maintains the high pH that African Cichlids need
  • Resists pH drops
  • Buffers automatically for the life of the aquarium

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

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 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

Imagitarium Black Aquarium Sand 20 lbs

  • 20 lbs
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
Nature's Ocean Bio-Activ Live Aragonite Reef Sand – Samoa Pink, 20 lbs
  • 20 lbs
CaribSea 20lb Ocean Direct Live Sand *
  • Each bag includes a packet of Bio-Magnet clarifier.
  • Ocean Direct provides a thriving, natural aquarium in minutes!
  • Utilizes Sea Breathe laser technology which preserves real live sand with its own original bacteria.
Carib Sea Acs00020 Aragonite Reef Sand for Aquarium, 15-Pound
  • A grade of aragonite specifically for plenum type nitrate reducing beds
  • Use where a deeper bed is needed
  • Allows maximum pH support and dissolution of calcium Carbonate
Carib Sea Super Naturals Marine Sand, White – 20 lb bag
  • 20 lb
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
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
Seachem Onyx Sand
  • Premium natural sand for the planted aquarium
  • Good for the life of the aquarium
  • Supports optimal KH levels for
CaribSea Eco-Complete Cichlid Sand (20 lbs)
  • Maintains the high pH that African Cichlids need
  • Resists pH drops
  • Buffers automatically for the life of the aquarium
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
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 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
Imagitarium Black Aquarium Sand 20 lbs
  • 20 lbs

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

Check Latest Price

Sold By Price
Amazon.com – Seller
Walmart – DMS Sales

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

Reviews From Real Customers

margie428
bigalspets.com
JODI S.

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

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
Petshopia
meekoutlet.com

Product Details

Specifications

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

Reviews From Real Customers

debeatty2012
CrushedCoral

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.

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
Carolina Biological
Chewy.com

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 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

bjoj12655
p0whatan
Mbrixey

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

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

  • 20 lbs

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
PetSmart

Product Details

Specifications

Details
Weight 20 lb

Reviews From Real Customers

NukedTank
Jenni 77
kirk911

5. CaribSea 40 lbs Aragonite Special Grade Reef Sand

CaribSea 40 lbs Aragonite Special Grade Reef Sand

  • 40 lbs

Check Latest Price

Sold By Price
Amazon
eBay
Walmart – AlotOfHome
BulkReefSupply.com

Product Details

Specifications

Details
Weight 40 lb

Reviews From Real Customers

Omaha Steve
BeccaBits
saltwateraquarium.com

6. Nature’s Ocean Bio-Activ Live Aragonite Reef Sand – Samoa Pink, 20 lbs

Nature's Ocean Bio-Activ Live Aragonite Reef Sand - Samoa Pink, 20 lbs

  • 20 lbs

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
Sears – Vir Ventures

Product Details

Specifications

Details
Animal Type Aquatic
Assembled Product Dimensions (L x W x H) 20.00 x 3.50 x 15.00 Inches

Reviews From Real Customers

bckey
Gabr
Marinedude727

7. CaribSea 20lb Ocean Direct Live Sand *

CaribSea 20lb Ocean Direct Live Sand *

  • Each bag includes a packet of Bio-Magnet clarifier.
  • Ocean Direct provides a thriving, natural aquarium in minutes!
  • Utilizes Sea Breathe laser technology which preserves real live sand with its own original bacteria.

Check Latest Price

Sold By Price
Amazon
Walmart – Beyond Corals Inc.
Chewy.com
SaltwaterAquarium.com

Product Details

Specifications

Details
Product Length 24 in
Animal Compatibility Fish
Bed Type Sand
Package Quantity 1
Pet Size All sizes

Reviews From Real Customers

TQ
Coconut
ICReefer

8. Carib Sea Acs00020 Aragonite Reef Sand for Aquarium, 15-Pound

Carib Sea Acs00020 Aragonite Reef Sand for Aquarium, 15-Pound

  • A grade of aragonite specifically for plenum type nitrate reducing beds
  • Use where a deeper bed is needed
  • Allows maximum pH support and dissolution of calcium Carbonate
  • Grain size is 10-20 mm
  • Made in the USA

Check Latest Price

Sold By Price
Amazon
eBay
Sears – ErgodE

Product Details

Specifications

Details
Package Quantity 1

Reviews From Real Customers

goldtmoney
ReefinInFlorida
Gyanendra

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

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

  • 20 lb

Check Latest Price

Sold By Price
Amazon
eBay
Chewy.com
LiveAquaria.com

Product Details

Specifications

Details
Weight 20 lb

Reviews From Real Customers

DrCF
hayles
Nic86

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)

Check Latest Price

Sold By Price
Amazon
petocart.com
Petshopia
Fish Tanks Direct

Product Details

Specifications

Details
Dimensions 2.5×4.3×4.6 inches

Reviews From Real Customers

UnclePorkchop

11. 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

Check Latest Price

Sold By Price
Amazon
Petco.com
Instacart
LnBMall.com

Product Details

Specifications

Details
Primary Brand CaribSea

Reviews From Real Customers

kris725
fishmom1964
SofiraCloud

12. 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

Check Latest Price

Sold By Price
Amazon
Walmart – UnbeatableSale
Sears

Product Details

Specifications

Details
Grain Size 0.5 – 1.5 mm
Capacity 20 lbs

Reviews From Real Customers

petco.com

13. 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

Check Latest Price

Sold By Price
Amazon
eBay – asap-aquarium
Bonanza – Haslet Pet Supply

Product Details

Specifications

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

Reviews From Real Customers

pro-shrimp.co.uk
Chad D.
vergils_apprentice

14. CaribSea Eco-Complete Cichlid Sand (20 lbs)

CaribSea Eco-Complete Cichlid Sand (20 lbs)

  • Maintains the high pH that African Cichlids need
  • Resists pH drops
  • Buffers automatically for the life of the aquarium
  • Contains live, water purifying bacteria

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
Petco.com

Product Details

Specifications

Details
Weight 20 lb

Reviews From Real Customers

JPrice904
Erykah
Galka

15. 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

Check Latest Price

Sold By Price
Amazon
Petco.com
BulkReefSupply.com

Product Details

Specifications

Details
Primary Brand CaribSea

Reviews From Real Customers

Mark44281
Tn Tanks
JeremyW

16. 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

Check Latest Price

Sold By Price
Amazon
Chewy.com
Petco.com
CountryMax

Product Details

Specifications

Details
Weight 40 lb

17. Nature’s Ocean Samoa Pink Bio-Activ Live Aragonite Reef Sand 20 lbs (0.5-1.7 mm Grain) Pack of 2

Nature's Ocean Samoa Pink Bio-Activ Live Aragonite Reef Sand 20 lbs (0.5-1.7 mm Grain) Pack of 2

Check Latest Price

Sold By Price
Amazon
Walmart – iCapsi

Product Details

18. 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

Check Latest Price

Sold By Price
Amazon
Petproducts.com

Product Details

19. Imagitarium Black Aquarium Sand 20 lbs

Imagitarium Black Aquarium Sand 20 lbs

  • 20 lbs

Check Latest Price

Sold By Price
Amazon
Petco.com

Product Details

Specifications

Details
Primary Brand Imagitarium

Reviews From Real Customers

Sammytank
Ichthyophile
bob277777

20. 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

Check Latest Price

Sold By Price
Amazon
Walmart – iCapsi

Product Details

Conclusion

The addition of sand to a saltwater aquarium can provide many benefits to both the aquarium itself and the inhabitants. Sand can help to create a more stable environment, as well as providing a place for beneficial bacteria to grow.

It can also help to keep the water clearer and provide a natural look to the aquarium.

However, there are also a few things to consider before adding sand to your aquarium. Sand can be difficult to clean and maintain, and if not done properly, can lead to problems such as cloudy water or an increase in algae growth.

It is important to choose the right type of sand for your aquarium and to make sure that it is properly cleaned and maintained.

Overall, the addition of sand to a saltwater aquarium can provide many benefits. However, it is important to do your research and to make sure that you are prepared to properly care for the sand before adding it to your aquarium.

Categories Uncategorized

Leave a Comment