Gravel / Aquarium Substrate - Super Savings! Save up to 32%


Super Savings! Up to 32% off on Gravel (in Aquarium Substrate) at Alsea Clinic [37]. Top brands include mySimple Products, SL-Aqua, Worldwide Imports, SubstrateSource, Carolina Biological Supply Company, Pure Water Pebbles, Carib Sea, Royal Sapphire, CaribSea Aquatics, Spectrastone, Nature's Ocean, & Ultum Nature Systems. Hurry! Limited time offers. Offers valid only while supplies last.



Safe & Non-Toxic {Large Size, 0.75" Inch} 10 Pound Bag of Clear Gravel, Rocks & Stones Decor Made of Genuine Glass for Freshwater & Saltwater Aquarium w/ Oceanic Iridescent Deep Cobalt Style [Blue]
By mySimple Products
In Stock
$48.99

ean: 7431041298218,

4.4 out of 5 stars with 15 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 not cleaned. Small particle substrates can compact which may lead to areas that lack oxygen. These areas can eventually release hydrogen sulfide - a substance that is extremely toxic to fish. The size of the particles also has a big impact on the he


SL-Aqua Nature Soil Aquarium Substrate For Freshwater Dwarf Shrimp - Medium Granule 1.5-3.5mm
By SL-Aqua
In Stock
$45.00

ean: 3804918199736,

4.6 out of 5 stars with 9 reviews
The #1 selling and preferred buffering soil designed for shrimp and plants in the USA. SL-Aqua Nature Soil from Japan is made from the highest quality 100% natural raw materials, sintered into a porous and granular structure that helps maintain a stable, healthy, and clear water for a long period of time. It provides essential minerals and trace elements, which promote the health and growth of shrimp, it also contains organic acids and multi-nutrient fertilizers, which can bring the pH and KH le


Worldwide Imports AWW70365 Frosted Gravel, 5-Pound, Silver Frost
By Worldwide Imports
In Stock
$52.54
$41.11
You Save: 22%

mpn: 029568, ean: 0029904703657,

4.9 out of 5 stars with 26 reviews
Frosted Gravel. 100-percent Acrylic Coating. Will not alter the chemistry of your aquarium water. Non-toxic. Colorfast. Fresh and Saltwater Aquariums. Ponds. Terrariums. Gardens. Potted Plants. Vases. Ash Trays. Crafts and Hobbies.Worldwide Imports Natural Gravel. Will Not Alter The Chemistry Of Your Aquarium Water. Fresh & Saltwater Aquariums. Fresh And Saltwater Aquariums.


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

mpn: NR0120-10, ean: 0700112424274,

4.3 out of 5 stars with 50 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 with additives or altered from its naturally inert state; however, it does have a high Cation Exchange Capacity (CEC). CEC is a measure of a substrate's ability to store and release compounds including critical nutrients for healthy plant growth. Th


Pebbles, Waterworn, 50 lb
By Carolina Biological Supply Company
In Stock
$36.55

mpn: 163201,

4.4 out of 5 stars with 9 reviews
This is a 50 lb bag of waterworn pebbles. Use 10 lb of gravel for one 5-gal aquarium.This is a 50 lb bag of waterworn pebbles. Use 10 lb of gravel for one 5-gal aquarium.. The Carolina Pledge: 100% Satisfaction Guaranteed. All of our products are unconditionally guaranteed. If for any reason you are not satisfied with any item, you may return it for a replacement, a refund, or credit. It's that simple.. From our beginnings in 1927, Carolina Biological Supply Company has grown to become a leading


Nature's Oceans African Cichlid, Bio-Activ Live Rift Lake Substrate Live Cichlid, Live Aquarium Substrate for African Cichlids 20 LB.
By Pure Water Pebbles
In Stock
$32.99

mpn: B07G8C995V, ean: 0729904884201,

4.1 out of 5 stars with 46 reviews
Bio-Activ Live Rift Lake Substrates Live Cichlid Gravel 20LBS (Grain size: 6 -8mm) Provides Rift Lake environment perfect for African Cichlid. Use them in your aquariums and ponds to make the floor bottom look great. It provides living space for beneficial microbes and anchoring for plants. It also helps with the filtering process of the water in your aquarium tank or pond by increasing the surface area available for nitrifying bacteria to colonize.Bio-Activ Live Rift Lake Substrates Live Cichli


Carib Sea Super Naturals Peace River Gravel (40 lbs) [Set of 2]
By Carib Sea
In Stock
$74.67

mpn: 00832, ean: 0008479008329,

4.9 out of 5 stars with 19 reviews
00832 Features: -Gravel.-Will not affect pH or alkalinity, allows you to adjust each of these any way you wish.-Minimum order: 2.-Capacity: 20 lbs. Dimensions: -Weight: 20.1 lbs.-Dimensions: 2'' H x 13'' W x 20'' D.Will not affect ph or alkalinity, allowing you to adjust each of these any way you wish.. PEACE RIVER. 20 POUND.


Royal Sapphire Aquarium Gravel River Rock - Natural Polished Decorative Gravel, Small Decorative Pebbles, Mixed Color Stones,for Aquariums, Landscaping, Vase Fillers 4.5 Pounds
By Royal Sapphire
In Stock
$29.99

ean: 6041108927176,

4.9 out of 5 stars with 51 reviews
Pebbles Decorative Stones Aquarium Gravel :Natural Stones,aquarium gravel ,river rocks,fish tank gravel,succulent soil ,paperwhite bulbs, potting soil,succulent soil mix,cactus soil,potting soil for indoor plants,vase filler,terrarium supplies.(rocks are natural and as a result some may be broken or out of shape, oval or round, thick or thin)Pebbles Decorative Stones Aquarium Gravel :Natural Stones,aquarium gravel ,river rocks,fish tank gravel,succulent soil ,paperwhite b


CaribSea Aquatics Arag-Alive Crushed Coral, 10-Pound
By CaribSea Aquatics
In Stock
$101.99

mpn: 008479017956, ean: 0716184559769,

4.0 out of 5 stars with 56 reviews
You can now bring the world’s most exotic reefs into your home with CaribSea’ s Arag-Alive substrates. It is developed from CaribSea' s cooperation with public aquariums and zoological parks, where authenticity is a must. Arag-Alive helps maintain a proper pH for the life of your aquarium without the constant addition of chemicals, and creates a biological balance to discourage nuisance algae. Arag-Alive contains millions of bacteria per pound specially engineered for aggressive waste reduct


Pure Water Pebbles Aquarium Gravel, 25-Pound, Neon Purple
By Pure Water Pebbles
In Stock
$44.92

mpn: 70291, ean: 0029904702919,

4.5 out of 5 stars with 57 reviews
Pure Water Pebbles Neon Purple Aquarium Gravel 25LBS (Grain size: 3.1-6.3mm). Use them in your aquariums and ponds to make the floor bottom look great. It provides living space for beneficial microbes and anchoring for plants. It also helps with the filtering process of the water in your aquarium tank or pond by increasing the surface area available for nitrifying bacteria to colonize. Recommended Uses: Fresh & Saltwater Aquariums. Ponds. Terrariums. Gardens. Potted Plants. Vases. Ash Trays. Cra


Spectrastone Special Red Aquarium Gravel for Freshwater Aquariums, 25-Pound Bag
By Spectrastone
In Stock
$28.99
$19.99
You Save: 31%

mpn: 40701, ean: 0034652407016,

4.6 out of 5 stars with 31 reviews
Red aquarium gravel for freshwater aquariums. Will not affect PH. Safe for use in freshwater aquariums.Will not affect PH. Safe for use in freshwater aquariums. Non-Toxic coating.


Nature's Ocean Purple Coral Base Rock 4-8 INCHES, 20 LBS
By Nature's Ocean
In Stock
$89.99

ean: 0729904087206,

4.6 out of 5 stars with 57 reviews
Nature's Ocean Purple Coral Base Rock 4-8 INCHES, 20 LBS100% natural aragonite rock is great for decorating aquariums, conserving natural reefs, coral farming, culturing rocks and growing live coral.. Rapidly adapts to live environments and will not affect the cycling of your tank water so it's easy to set up.. Acts as a naturally porous biological filter and is free of biofilm so it's perfect for aquascaping.. Naturally porous surface helps grow denitrifying marine bacteria that help decrease n


Spectrastone Special Light Blue Aquarium Gravel for Freshwater Aquariums, 25-Pound Bag
By Spectrastone
In Stock
$28.98
$21.99
You Save: 24%

mpn: 40708, ean: 0611102186051,

4.7 out of 5 stars with 22 reviews
Light blue aquarium gravel for freshwater aquariums. Will not affect PH. Safe for use in freshwater aquariums.Will not affect PH. Safe for use in freshwater aquariums. Non-Toxic coating.


Spectrastone Special Black Aquarium Gravel for Freshwater Aquariums, 25-Pound Bag
By Spectrastone
In Stock
$29.49
$19.99
You Save: 32%

mpn: 40706, ean: 0781163920304,

4.8 out of 5 stars with 16 reviews
Black aquarium gravel for freshwater aquariums. Will not affect PH. Safe for use in freshwater aquariums.Will not affect PH. Safe for use in freshwater aquariums. Non-Toxic coating.


Carib Sea ACS00878 50-Pound Zen Garden Gravel for Aquarium, 1/4-3/8-Inch
By Carib Sea
In Stock
$41.99

mpn: 008479008787, ean: 0891294313996,

4.8 out of 5 stars with 21 reviews
Stocking your store with beautiful natural gravels has never been easier or more affordable with new Super Naturals Essentials from CaribSea.  Five distinct grades and shades in 3 convenient bag sizes, there is something for everyone.  These naturals are clean, beautifully packaged, and available now. Super Naturals Essentials, no compromise on quality, only on price.Caribe Zen Garden 1/4-3/8-Inch, 5/5-pound. Create a supernatural experience by re-creating the natural world in your home. S


Ultum Nature Controsoil Freshwater Planted Aquarium Substrate - Fine Black (10 Liter)
By Ultum Nature Systems
In Stock
$59.00
4.3 out of 5 stars with 35 reviews
Ultum Nature Systems has partnered with Marfied to bring you Ultum Nature Controsoil. UNS Controsoil is an andisol based substrate created from the volcanic ash of Mount Aso in Japan. Choosing the right substrate is a vital component for a successful planted aquarium. It allows plants to flourish while buffering the water to optimum levels for certain freshwater livestock. Proper aquarium substrate is paramount to successfully growing healthy aquatic plants. Controsoil absorbs impurities in your


Carib Sea ACS00150 Crushed Coral for Aquarium, 40-Pound
By Carib Sea
In Stock
$33.99

mpn: 008479001504, ean: 7922315267769,

4.0 out of 5 stars with 40 reviews
40 PoundsMiscellaneous Aquariam Grain Size 2.0-5.55 MmThe Only Crushed Coral With Aragonite, Which Provides Up To 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.All items are brand new, never worn and never used. We guarantee the authenticity of all items.The only crushed coral with aragonite has 25 times the buffering power of other crushed corals. Dolmite or oyster shell. Us


Carib Sea ACS00832 Peace River Gravel for Aquarium, 20-Pound
By Carib Sea
In Stock
$25.51

mpn: 008479008329, ean: 0008479008329,

4.9 out of 5 stars with 54 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. Dramatic black sand rivers and beaches grace the flanks of verdant tropical islands capped by smouldering volcanoes. These exotic locales provide the backdrop for some of the world’s most spectacular aquatic life. CaribSea' s Supernatural line is


Spectrastone Shallow Creek Pebble for Freshwater Aquariums, 25-Pound Bag
By Spectrastone
In Stock
$28.40
$19.99
You Save: 30%

mpn: 10701, ean: 0034652107015,

4.9 out of 5 stars with 26 reviews
Shallow creek pebble natural for freshwater aquariums. Will not affect PH. Safe for use in freshwater aquariums.Will not affect PH. Safe for use in freshwater aquariums. Non-Toxic coating.


Ultum Nature Controsoil Freshwater Planted Aquarium Substrate - Normal Black (3 Liter)
By Ultum Nature Systems
In Stock
$32.00
4.8 out of 5 stars with 37 reviews
Ultum Nature Systems has partnered with Marfied to bring you Ultum Nature Controsoil. UNS Controsoil is an andisol based substrate created from the volcanic ash of Mount Aso in Japan. Choosing the right substrate is a vital component for a successful planted aquarium. It allows plants to flourish while buffering the water to optimum levels for certain freshwater livestock. Proper aquarium substrate is paramount to successfully growing healthy aquatic plants. Controsoil absorbs impurities in your



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