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Aquarium Substrate - 52 - Super Savings! Save up to 37%


Super Savings! Up to 37% off on Aquarium Substrate at Pet-O-Institute. Top brands include Carib Sea, Fire Pit Essentials, mySimple Products, SubstrateSource, CaribSea Aquatics, Imagitarium, Aqua Design Amano, Quartz Colors, & Estes'. Hurry! Limited time offers. Offers valid only while supplies last.



Carib Sea ACS00820 Marine Sand for Aquarium, 20-Pound, White
Carib Sea ACS00820 Marine Sand for Aquarium, 20-Pound, White
By Carib Sea
In Stock
$26.99
$24.22
You Save: 10%

mpn: 008479008206, ean: 0008479008206,

4.3 out of 5 stars with 46 reviews
Super Naturals by CaribSeaOur pre-washed Super Naturals are designed with your success, and ease of use in mind. Packaged in sizes that make sense, most types are available in both 20 and 50 pound bags. We have carefully selected different sizes and ...


Natural Aquarium Gravel Pebble for Freshwater or Saltwater Tanks and Ponds (Parchment)
Natural Aquarium Gravel Pebble for Freshwater or Saltwater Tanks and Ponds (Parchment)
By Fire Pit Essentials
In Stock
$12.99

mpn: unknown, ean: 0703856944077,

4.2 out of 5 stars with 114 reviews
Turn your aquarium into a retreat that others are jealous of. By adding a decorative gravel substrate to your tank you can instantly turn a bland aquarium into a work of art. Our pebbles come in a wide array of colors and can help assist in mechanica...


Safe & Non-Toxic 1 Pound Bag of ''Acrylic Coated'' Gravel & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Basic Dark Natural Earthy Clay Tone Small River Rock Style [Brown & Tan]
Safe & Non-Toxic 1 Pound Bag of "Acrylic Coated" Gravel & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Basic Dark Natural Earthy Clay Tone Small River Rock Style [Brown & Tan]
By mySimple Products
In Stock
$11.19

mpn: unknown, ean: 7431042812857,

4.3 out of 5 stars with 20 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


SubstrateSource Natural Black Lava Gravel - 10 Pounds
SubstrateSource Natural Black Lava Gravel - 10 Pounds
By SubstrateSource
In Stock
$39.19

mpn: NB0120-10, ean: 0700112424281,

4.0 out of 5 stars with 247 reviews
SubstrateSource Natural Lava Gravel is a highly porous substrate for use in freshwater aquariums. The lava has been screened to remove large granules and can be used as a complete aquarium substrate system. Nutrients: The lava has not been treated w...


Caribsea Super Naturals Aquarium Sand, 50-Pound, Peace River
Caribsea Super Naturals Aquarium Sand, 50-Pound, Peace River
By CaribSea Aquatics
In Stock
$62.76

mpn: 8479008626, ean: 0008479008626,

4.4 out of 5 stars with 77 reviews
Create a supernatural experience by re-creating the natural world in your home. Enjoy a piece of the Rio Negro as it winds its way through dark and brooding jungles. Own a sliver of the sunlit Sri Lankan gravel streams famous for sapphires and rubies...


Safe & Non-Toxic {Various Sizes} 45 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Natural Simple Earthy Toned Polished Smooth River Style [Tan, Gray & Red]
Safe & Non-Toxic {Various Sizes} 45 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Natural Simple Earthy Toned Polished Smooth River Style [Tan, Gray & Red]
By mySimple Products
In Stock
$80.99

ean: 7431041998934,

4.2 out of 5 stars with 74 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


SubstrateSource Natural Dark River Gravel (Small Granule) - 3 pounds
SubstrateSource Natural Dark River Gravel (Small Granule) - 3 pounds
By SubstrateSource
In Stock
$12.99

mpn: NM0210-3, ean: 0700112424465,

4.2 out of 5 stars with 285 reviews
Use SubstrateSource Smooth Gravel (mixed darker shades) to recreate a natural river habitat in your aquarium. The substrate displays a subtle assortment of colors. The natural, non-jagged granules are a good choice for freshwater gobies, corydoras, l...


Safe & Non-Toxic {Various Sizes} 20 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater Aquarium w/ Earthy Toned Smooth Polished Sleek River Inspired Natural Style [Tan & White]
Safe & Non-Toxic {Various Sizes} 20 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater Aquarium w/ Earthy Toned Smooth Polished Sleek River Inspired Natural Style [Tan & White]
By mySimple Products
In Stock
$29.29

ean: 7431041598578,

4.8 out of 5 stars with 107 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


Imagitarium Black Aquarium Sand, 20 LBS
Imagitarium Black Aquarium Sand, 20 LBS
By Imagitarium
In Stock
$19.99
$12.59
You Save: 37%

mpn: K215463, ean: 0800443215463,

4.0 out of 5 stars with 17 reviews
Imagitarium Black Sand Aquatic Substrate sets the stage for a bold and demure aquatic environment. The black aquarium sand stands still as you set the surreal scene with iridescent fish and vibrant coral reefs. This fish tank gravel facilitates benef...


Safe & Non-Toxic {Large Size, 1'' Inch} 25 Pound Bag of Gravel, Rocks & Stones Decor for Freshwater Aquarium w/ Earth Toned Rustic Natural Simple Smooth River Inspired Style [Tan, Red & Gray]
Safe & Non-Toxic {Large Size, 1" Inch} 25 Pound Bag of Gravel, Rocks & Stones Decor for Freshwater Aquarium w/ Earth Toned Rustic Natural Simple Smooth River Inspired Style [Tan, Red & Gray]
By mySimple Products
In Stock
$30.29

ean: 7431041698698,

4.0 out of 5 stars with 108 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


Safe & Non-Toxic {0.2โ€ to 0.7'' Inch} 10 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Light Natural Beach Tone Tropical Style [Tan, Orange, White, Brown & Gray]
Safe & Non-Toxic {0.2โ€ to 0.7" Inch} 10 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Light Natural Beach Tone Tropical Style [Tan, Orange, White, Brown & Gray]
By mySimple Products
In Stock
$20.29

ean: 7431041296269,

4.7 out of 5 stars with 57 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


ADA Aqua Soil Amazonia LIGHT (3 Liter/ Approx 7 Lbs) Normal Type
ADA Aqua Soil Amazonia LIGHT (3 Liter/ Approx 7 Lbs) Normal Type
By Aqua Design Amano
In Stock
$25.99

mpn: 104-056, ean: 4537934040568,

4.2 out of 5 stars with 157 reviews
Amazonia Light, a new addition to the Aqua Soil lineup, has been developed as a substrate material that even newcomer aquascapers can easily use. Although made from the same natural soil as the base material, this new soil has different color and pro...


Safe & Non-Toxic {Various Sizes} 30 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Smooth Natural River Inspired Earthy Shimmering Style [Black, Brown, Gray & Tan]
Safe & Non-Toxic {Various Sizes} 30 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Smooth Natural River Inspired Earthy Shimmering Style [Black, Brown, Gray & Tan]
By mySimple Products
In Stock
$42.19

ean: 7431041398383,

4.6 out of 5 stars with 42 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


Safe & Non-Toxic {Small Size, 0.12'' Inch} 10 Pound Bag of Gravel & Pebbles Decor Made of Genuine Quartz for Freshwater Aquarium w/ Simple Earthy River Inspired Trendy Natural Style [Blue & Gray]
Safe & Non-Toxic {Small Size, 0.12" Inch} 10 Pound Bag of Gravel & Pebbles Decor Made of Genuine Quartz for Freshwater Aquarium w/ Simple Earthy River Inspired Trendy Natural Style [Blue & Gray]
By mySimple Products
In Stock
$30.19

ean: 7431042820852,

4.1 out of 5 stars with 170 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


Safe & Non-Toxic {Various Sizes} 15 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Earthy Toned Smooth River Inspired Polished Natural Style [Tan, Red & Gray]
Safe & Non-Toxic {Various Sizes} 15 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Earthy Toned Smooth River Inspired Polished Natural Style [Tan, Red & Gray]
By mySimple Products
In Stock
$28.99

ean: 7431041798725,

4.4 out of 5 stars with 258 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


Colored Quartz Pebbles Gravel (S8010) Brown Natural, 10 lbs
Colored Quartz Pebbles Gravel (S8010) Brown Natural, 10 lbs
By Quartz Colors
In Stock
$11.00

ean: 0799705856974,

4.7 out of 5 stars with 153 reviews
Approximately 1/8". Color Stable. Will not effect PH. Color deviations are possible due to typographical reasons. For freshwater aquariums, terrariums, landscaping, vase filler for floral and candles, hobbies, crafts and all other decorative purposes...


Safe & Non-Toxic 4.4 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Light Smooth Polished Unique Natural Elegant Ivory Modern Zen Ocean Beach Style [Off White]
Safe & Non-Toxic 4.4 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Light Smooth Polished Unique Natural Elegant Ivory Modern Zen Ocean Beach Style [Off White]
By mySimple Products
In Stock
$28.29

ean: 7431042712720,

4.4 out of 5 stars with 154 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


Safe & Non-Toxic {Various Sizes} 5 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Natural Smooth River Inspired Rustic Earth Toned Style [Tan, Red & Gray]
Safe & Non-Toxic {Various Sizes} 5 Pound Bag of Gravel, Rocks & Pebbles Decor for Freshwater & Saltwater Aquarium w/ Natural Smooth River Inspired Rustic Earth Toned Style [Tan, Red & Gray]
By mySimple Products
In Stock
$13.89

ean: 7431041898814,

4.9 out of 5 stars with 38 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


Safe & Non-Toxic {0.12'' to 0.38'' Inch} 3 Pound Bag of Marble, Gravel & Pebbles Decor for Freshwater Aquarium w/ Natural Sleek Modern Shimmering Earthy Toned River Inspired Style [Gray]
Safe & Non-Toxic {0.12" to 0.38" Inch} 3 Pound Bag of Marble, Gravel & Pebbles Decor for Freshwater Aquarium w/ Natural Sleek Modern Shimmering Earthy Toned River Inspired Style [Gray]
By mySimple Products
In Stock
$16.59

mpn: unknown, ean: 7431042221291,

4.0 out of 5 stars with 129 reviews
SIZE OF SUBSTRATE: Substrates vary widely in terms of size - everything from sands consisting of very tiny particles to larger river rocks. Large particle substrates allow more uneaten food and waste to penetrate into it leading to toxic build ups if...


Estes Gravel Products AES25206 Este Marine Sand Natural for Aquarium, 25-Pound
Estes Gravel Products AES25206 Este Marine Sand Natural for Aquarium, 25-Pound
By Estes'
SKU: #AES25206
In Stock
$42.14

sku: AES25206, mpn: 346041, ean: 0034652252067,

4.1 out of 5 stars with 283 reviews
All estes products are clear coated, using 100% environmentally- friendly high gloss resin. This state of the art process makes their gravel virtually dust free, and provides the best possible appearance and ease of use in your aquarium.Perfect for u...



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